When did the biggest increase in carbon dioxide levels occur why?

When did the biggest increase in carbon dioxide levels occur why?
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Why did the carbon dioxide levels increase in the atmosphere?

Description : Why did the carbon dioxide levels increase in the atmosphere?

Last Answer : There are several potential reasons:Humans burning fossil fuel for heat and in transportationDeforestation of large areas for farms and urbanizationUrbanization removing any green plants form large areasFlaring at petroleum plantsForestry practices leading to more massive wildfires

What are two ways that humans contribute to increase in carbon dioxide levels in the atmosphere?

Description : What are two ways that humans contribute to increase in carbon dioxide levels in the atmosphere?

Last Answer : What is the answer ?

What is likely to happen if carbon dioxide levels in the atmosphere increase?

Description : What is likely to happen if carbon dioxide levels in the atmosphere increase?

Last Answer : Need answer

Which of the following processes doesn't account for an increase in atmospheric CO2 (carbon dioxide) levels? w) deforestation x) photosynthetic processes y) plant respiration z) fossil fuel combustion

Description : Which of the following processes doesn't account for an increase in atmospheric CO2 (carbon dioxide) levels? w) deforestation x) photosynthetic processes y) plant respiration z) fossil fuel combustion

Last Answer : ANSWER: X -- PHOTOSYNTHETIC PROCESSES

Which of the following statement(s) is/are true concerning carbon dioxide kinetics? a. The amount of carbon dioxide produced is equivalent to the amount of oxygen consumed b. Carbon dioxide levels in blood, present mostly as a bicarbonate ion, can quickly change c. Normally the amount of carbon dioxide excreted through the lung is exactly equal to the amount of carbon dioxide produced in peripheral tissues d. The amount of carbon dioxide excreted is a function of ventilation of perfused alveoli

Description : Which of the following statement(s) is/are true concerning carbon dioxide kinetics? a. The amount of carbon dioxide produced is equivalent to the amount of oxygen consumed b. Carbon dioxide levels ... tissues d. The amount of carbon dioxide excreted is a function of ventilation of perfused alveoli

Last Answer : Answer: a, c, d The total amount of carbon dioxide produced by systemic metabolism is roughly equivalent to the amount of oxygen consumed (100-120 cc/m2/min, 200 cc/min in a typical ... carbon dioxide excreted is a function of ventilation of perfused alveoli (i.e. the alveolar ventilation/min).

Which is a significant contributor to increased levels of atmospheric carbon dioxide?

Description : Which is a significant contributor to increased levels of atmospheric carbon dioxide?

Last Answer : Deforestation

Which is a significant contributor to increased levels of atmospheric carbon dioxide?

Description : Which is a significant contributor to increased levels of atmospheric carbon dioxide?

Last Answer : Deforestation

What does increase in carbon dioxide in atmosphere cause? -Do You Know?

Description : What does increase in carbon dioxide in atmosphere cause? -Do You Know?

Last Answer : answer:

What causes an increase in carbon dioxide in atmosphere?

Description : What causes an increase in carbon dioxide in atmosphere?

Last Answer : Need answer

Why does an excess of carbon dioxide increase the temp of earth?

Description : Why does an excess of carbon dioxide increase the temp of earth?

Last Answer : Carbon dioxide (and other gases) creates a "blanket" around theearth trapping heat in the atmosphere. If these "greenhouse" gaseswere not there some of the heat would escape from the earth'satmosphere ... dioxide most ofthis infrared is reflected back down to the surface of the earth,keeping it hot.

If a large number of people are enclosed in a room, then (a) Oxygen decreases and carbon dioxide increases (b) Oxygen increases and carbon dioxide decrease (c) Both oxygen and carbon dioxide decrease (d) Both oxygen and carbon dioxide increase

Description : If a large number of people are enclosed in a room, then (a) Oxygen decreases and carbon dioxide increases (b) Oxygen increases and carbon dioxide decrease (c) Both oxygen and carbon dioxide decrease (d) Both oxygen and carbon dioxide increase

Last Answer : Ans:(a)

If the body experiences acidosis the respiratory center located in the medulla gets the information and induces the increase of the respiratory frequency. The increment of the respiratory frequency makes the body eliminate more carbon dioxide and to shift the equilibrium of the formation of bicarbonate towards the spending of more hydrogen ions and thus the blood pH raises.

Description : If the body experiences acidosis the respiratory center located in the medulla gets the information and induces the increase of the respiratory frequency. The increment of the respiratory frequency makes the ... of bicarbonate towards the spending of more hydrogen ions and thus the blood pH raises.

Last Answer : How does the breathing process correct alkalosis?

What are the consequences of shifting the chemical equilibrium of the formation of bicarbonate from carbon dioxide and water towards the increase of product (bicarbonate) formation?

Description : What are the consequences of shifting the chemical equilibrium of the formation of bicarbonate from carbon dioxide and water towards the increase of product (bicarbonate) formation?

Last Answer : The increase in product formation in the chemical equilibrium of the formation of bicarbonate from carbon dioxide and water heightens the concentration of hydrogen ions and thus lowers the pH of the solution.

The main cause of global climatic change is – (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover

Description : The main cause of global climatic change is – (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover

Last Answer : (1) increase in the content of carbon dioxide in the atmosphere Explanation: Our ever increasing addiction to electricity from coal burning power plants eleases enormous amounts of carbon dioxide ... sources, we are highly dependent on burning coal for our personal and commercial electrical supply.

'Green House Effect' means - (1) cultivation of crops in green house to conserve heat (2) trapping of solar energy due to carbon dioxide gases (3) trapping of solar energy by earth upper surface (4) increase of heat due to atmospheric pollution

Description : 'Green House Effect' means - (1) cultivation of crops in green house to conserve heat (2) trapping of solar energy due to carbon dioxide gases (3) trapping of solar energy by earth upper surface (4) increase of heat due to atmospheric pollution

Last Answer : (2) trapping of solar energy due to carbon dioxide gases Explanation: Green House Effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases and is re-radiated in all directions.

Which of the following process-es does not increase the amount of carbon dioxide in air? (1) Breathing (2) Photosynthesis (3) Burning of petrol (4) Aerobic decay of vegetation

Description : Which of the following process-es does not increase the amount of carbon dioxide in air? (1) Breathing (2) Photosynthesis (3) Burning of petrol (4) Aerobic decay of vegetation

Last Answer : (2) Photosynthesis Explanation: Plants reduce the CO2, because they use it with photosynthesis. They use it to give oxygen and carbohydrates as the final product. It is for this reason that ... from exposure to the sun's ultraviolet (UV) radiation, especially during the early morning hours.

The 'Greenhouse effect' is mainly due to increase in atmospheric – (1) Ozone (2) Nitrogen (3) Sulphur dioxide (4) Carbon dioxide

Description : The 'Greenhouse effect' is mainly due to increase in atmospheric – (1) Ozone (2) Nitrogen (3) Sulphur dioxide (4) Carbon dioxide

Last Answer : (4) Carbon dioxide Explanation: Carbon dioxide is the primary greenhouse gas that is contributing to recent climate change, 72% of the totally emitted greenhouse gases is carbon dioxide (CO2), 18% Methane ... (NOx). Carbon dioxide emissions therefore are the most important ca s e of global warming.

What does increase in carbon dioxide in atmosphere cause?

Description : What does increase in carbon dioxide in atmosphere cause?

Last Answer : Rise in earth temperature

With regard to the choroid: a. the choroid receives 85% of blood flow to the eye b. the blood vessels in the choroid contains tight junction c. the choroid vessels are embedded in a matrix made up of type III collagen d. in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter

Description : With regard to the choroid: a. the choroid receives 85% of blood flow to the eye b. the blood vessels in the choroid contains tight junction c. the choroid vessels are embedded in ... d. in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter

Last Answer : in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter

Cerebral blood flow is increase in: a. chronic anaemia b. inhalation of 5% carbon dioxide c. seizures d. inhalation of hyperbaric oxygen

Description : Cerebral blood flow is increase in: a. chronic anaemia b. inhalation of 5% carbon dioxide c. seizures d. inhalation of hyperbaric oxygen

Last Answer : chronic anaemia

Which one of the following is the correct statement for respiration in humans? (a) Cigarette smoking may lead to inflammation of bronchi. (b) Neural signals from pneumotoxic centre in pons region of brain can increase the duration of inspiration. (c) Workers in grinding and stone-breaking industries may suffer from lung fibrosis. (d) About 90% of carbon dioxide (CO2) is carried by haemoglobin as carbamino-haemoglobin.

Description : Which one of the following is the correct statement for respiration in humans? (a) Cigarette smoking may lead to inflammation of bronchi. (b) Neural signals from pneumotoxic centre in pons region ... . (d) About 90% of carbon dioxide (CO2) is carried by haemoglobin as carbamino-haemoglobin.

Last Answer : (c) Workers in grinding and stone-breaking industries may suffer from lung fibrosis.

The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the(A) Catalytic conversion(B) Green house effect(C) Global warming(D) Both (B) and (C)

Description : The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the (A) Catalytic conversion (B) Green house effect (C) Global warming (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Fruit stored in a cold chamber exhibit longer storage life because – a. exposure to sunlight is prevented b. the concentration of carbon dioxide in the environment is increased c. the rate of respiration is decreased d. there is increase in humidity

Description : Fruit stored in a cold chamber exhibit longer storage life because – a. exposure to sunlight is prevented b. the concentration of carbon dioxide in the environment is increased c. the rate of respiration is decreased d. there is increase in humidity

Last Answer : c. the rate of respiration is decreased

Fruit stored in a cold chamber exhibit longer storage life because – a. exposure to sunlight is prevented b. the concentration of carbon dioxide in the environment is increased c. the rate of respiration is decreased d. there is increase in humidity

Description : Fruit stored in a cold chamber exhibit longer storage life because – a. exposure to sunlight is prevented b. the concentration of carbon dioxide in the environment is increased c. the rate of respiration is decreased d. there is increase in humidity

Last Answer : c. the rate of respiration is decreased

Increase in temperature due to excess of carbon dioxide in air which traps heat energy is known as _______ . a) global warming b)soot c)ash d)acid rain

Description : Increase in temperature due to excess of carbon dioxide in air which traps heat energy is known as _______ . a) global warming b)soot c)ash d)acid rain

Last Answer : a) global warming

Which one of the following is the correct statement for respiration in humans ? (1) About 90% of carbon dioxide (CO2 ) is carried by haemoglobin as carbamino-haemoglobin (2) Cigarette smoking may lead to inflammation of bronchi (3) Neural signals from pneumotoxic centre in pons region of brain can increase the duration of inspiration (4) Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.

Description : Which one of the following is the correct statement for respiration in humans ? (1) About 90% of carbon dioxide (CO2 ) is carried by haemoglobin as carbamino-haemoglobin (2) Cigarette smoking ... of inspiration (4) Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.

Last Answer : (4) Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.

Carbon dioxide is an important greenhouse gas. What is the current rate in parts per million per year of atmospheric increase of this gas? w) 0.15 ppm per year (parts per million) x) 1.5 ppm per year y) 15 ppm per year z) 150 ppm per year

Description : Carbon dioxide is an important greenhouse gas. What is the current rate in parts per million per year of atmospheric increase of this gas? w) 0.15 ppm per year (parts per million) x) 1.5 ppm per year y) 15 ppm per year z) 150 ppm per year 

Last Answer : ANSWER: X -- 1.5 PPM PER YEAR 

Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) ozone and methane x) nitrous oxide and sulfur dioxide y) methane and carbon dioxide z) ozone and carbon monoxide

Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) ozone and methane x) nitrous oxide and sulfur dioxide y) methane and carbon dioxide z) ozone and carbon monoxide

Last Answer : ANSWER: Y -- METHANE AND CARBON DIOXIDE 

Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) oxygen and hydrogen x) ozone and methane y) nitrous oxide and sulfur dioxide z) methane and carbon dioxide e) ozone and carbon monoxide

Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) oxygen and hydrogen x) ozone and methane y) nitrous oxide and sulfur dioxide z) methane and carbon dioxide e) ozone and carbon monoxide

Last Answer : ANSWER: Z -- METHANE AND CARBON DIOXIDE

1. The pressure at the bottom of a liquid tank does not depend on which area? 2. ‘Chinaman’ refers to which game? 3. In human body, into which does the pancreas secretes its enzymes? 4. What does increase in carbon dioxide in atmosphere cause? 5. What is Apabhramsa?

Description : 1. The pressure at the bottom of a liquid tank does not depend on which area? 2. Chinaman' refers to which game? 3. In human body, into which does the pancreas secretes its enzymes? 4. ... is the frequency of tropical cyclones in the Bay of Bengal maximum? 20. By whom was Saka era founded?

Last Answer : Answer : 1. Area of the liquid surface 2. Cricket 3. Duodenum 4. Rise in earth temperature 5. A work of the Jains 6. English 7. Decreases 8. Rajkumari Amrit Kaur 9. North west 10. ... Australia 15. Kanishka 16. Carbon dioxide 17. Sir Edward Lutyens 18. Bengali 19. After summer 20. Kanishka

‘Green House Effect’ means (1) cultivation of crops in green house to conserve heat (2) trapping of solar energy due to carbon dioxide gases (3) trapping of solar energy by earth upper surface (4) increase of heat due to atmospheric pollution

Description : ‘Green House Effect’ means (1) cultivation of crops in green house to conserve heat (2) trapping of solar energy due to carbon dioxide gases (3) trapping of solar energy by earth upper surface (4) increase of heat due to atmospheric pollution 

Last Answer :  trapping of solar energy due to carbon dioxide gases

Which of the following processes does not increase the amount of carbon dioxide in air ? (1) Breathing (2) Photosynthesis (3) Burning of petrol (4) Aerobic decay of vegetation

Description : Which of the following processes does not increase the amount of carbon dioxide in air ? (1) Breathing (2) Photosynthesis (3) Burning of petrol (4) Aerobic decay of vegetation

Last Answer : Photosynthesis

The ‘Greenhouse effect’ is mainly due to increase in atmospheric (1) Ozone (2) Nitrogen (3) Sulphur dioxide (4) Carbon dioxide

Description : The ‘Greenhouse effect’ is mainly due to increase in atmospheric (1) Ozone (2) Nitrogen (3) Sulphur dioxide (4) Carbon dioxide

Last Answer :  Carbon dioxide 

The main cause of global climatic change is (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover

Description : The main cause of global climatic change is (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover

Last Answer : increase in the content of carbon dioxide in the atmosphere

Are the highest levels of sulfur dioxide are found near power plants refineries and industrial boilers?

Description : Are the highest levels of sulfur dioxide are found near power plants refineries and industrial boilers?

Last Answer : 1

Are the highest levels of sulfur dioxide are found near power plants refineries and industrial boilers?

Description : Are the highest levels of sulfur dioxide are found near power plants refineries and industrial boilers?

Last Answer : 1

Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The levels of progesterone and estrogen decline due

Description : Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The levels of progesterone and estrogen decline due

Last Answer : Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The ... D. If both Assertion & Reason are False.

An important feature of maple syrup urine disease is (A) Patient can not be treated by dietary regulation (B) Without treatment death, of patient may occur by the end of second year of life (C) Blood levels of leucine, isoleucine and serine are increased (D) Excessive brain damage

Description : An important feature of maple syrup urine disease is (A) Patient can not be treated by dietary regulation (B) Without treatment death, of patient may occur by the end of second year of life (C) Blood levels of leucine, isoleucine and serine are increased (D) Excessive brain damage

Last Answer : Answer : D

Ammonia intoxication symptoms occur when brain ammonia levels are (A) Slightly diminished (B) Highly diminished (C) Increased (D) All of these

Description : Ammonia intoxication symptoms occur when brain ammonia levels are (A) Slightly diminished (B) Highly diminished (C) Increased (D) All of these

Last Answer : Answer : C

Strategy Formulation, Implementation and Evaluation activities occur at three hierarchical levels in a large diversified Organization: Corporate, Divisional and Functional

Description : Strategy Formulation, Implementation and Evaluation activities occur at three hierarchical levels in a large diversified Organization: Corporate, Divisional and Functional

Last Answer : True

The preferred route of administration of medication in the most acute care situations is which of the following routes? a) Intravenous The IV route is the preferred parenteral route in most acute care situations because it is much more comfortable for the patient, and peak serum levels and pain relief occur more rapidly and reliably. b) Epidural Epidural administration is used to control postoperative and chronic pain. c) Subcutaneous Subcutaneous administration results in slow absorption of medication. d) Intramuscular Intramuscular administration of medication is absorbed more slowly than intravenously administered medication.

Description : The preferred route of administration of medication in the most acute care situations is which of the following routes? a) Intravenous The IV route is the preferred ... ) Intramuscular Intramuscular administration of medication is absorbed more slowly than intravenously administered medication.

Last Answer : a) Intravenous The IV route is the preferred parenteral route in most acute care situations because it is much more comfortable for the patient, and peak serum levels and pain relief occur more rapidly and reliably.

The biggest loss in the boiler is a) Moisture in fuel b) Dry flue gases c) Steam formation d) Unburnt carbon

Description : The biggest loss in the boiler is a) Moisture in fuel b) Dry flue gases c) Steam formation d) Unburnt carbon

Last Answer : b) Dry flue gases

Spike in carbon-14 levels in tree rings indicates a massive cosmic event - So what happened in the year 775?

Description : Spike in carbon-14 levels in tree rings indicates a massive cosmic event - So what happened in the year 775?

Last Answer : Big Ol’ Solar Flare + Polar Shift maybe?

Are you aware that science has produced a study that says that the carbon levels in big cities actually acts as a stress reducer on people who live in these cities?

Description : Are you aware that science has produced a study that says that the carbon levels in big cities actually acts as a stress reducer on people who live in these cities?

Last Answer : I wasn’t aware and the findings are quite fascinating. I would like to read the whole paper to see the methodology. It certainly is a quite different result to the findings you would expect.

What happens to carbon-14 levels in a living after it dies?

Description : What happens to carbon-14 levels in a living after it dies?

Last Answer : It decrease > novanet answer

In radiocarbon dating the carbon -14 levels in the object being dated are compared with?

Description : In radiocarbon dating the carbon -14 levels in the object being dated are compared with?

Last Answer : In radiocarbon dating, the carbon-14 levels in the object beingdated are compared with _____.

In radiocarbon dating the carbon-14 levels in the object being dated are compared with .?

Description : In radiocarbon dating the carbon-14 levels in the object being dated are compared with .?

Last Answer : In radiocarbon dating, the carbon-14 levels in the object beingdated are compared with _____.

Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because (a) effective pumping of CO2 into bundle sheath cells (b) RuBisCO in C4 plants has higher affinity for CO2 (c) four carbon acids are the primary initial CO2 fixation products (d) the primary fixation of CO2 is mediated via PEP carboxylase. (2005) 65. In sugarcane plant

Description : Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because (a) effective pumping of CO2 into bundle sheath cells (b) RuBisCO in C4 plants has higher affinity for CO2 (c ... d) the primary fixation of CO2 is mediated via PEP carboxylase. (2005) 65. In sugarcane plant

Last Answer : (d) the primary fixation of CO2 is mediated via PEP carboxylase.

Could we terraform both Venus and Mars by moving the carbon dioxide from Venus to Mars?

Description : Could we terraform both Venus and Mars by moving the carbon dioxide from Venus to Mars?

Last Answer : Look at the finances involved, then reconsider.

What do you think about using carbon dioxide as a new raw material?

Description : What do you think about using carbon dioxide as a new raw material?

Last Answer : answer:Very interesting. I have some questions. When the products are discarded then is the C02 released as the products breakdown? Are they only capturing already produced C02, or are they creatng more C02 ... for gas and energy? Sorry so many questions. I don't know enough about the science.