Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers:

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Answer :

Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers: A. Nitrous oxide B. Ozone C. Ammonia D. Methane

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Description : Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers:

Last Answer : Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers: A. Methane B. Nitrous oxide C. Ozone D. ammonia.

Description : Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Last Answer : ANS: B

Description : Depletion of ozone layer in the atmosphere causes cancer of a) skin b)stomach c)blood d)lungs

Last Answer : a) skin

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Last Answer : Answer : B

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Last Answer : Which of the following is not one of the prime health risks associated with greater UV radiation ... C. Reduced Immune System D. Damage to eyes

Description : Mirage is due to (a) Unequal heating of different parts of the atmosphere (b) Magnetic disturbances in the atmosphere (c) Depletion of ozone layer in the atmosphere (d) Equal heating of different parts of the atmosphere

Last Answer : Ans:(a)

Description : Oxide of sulphur present in the atmosphere are washed down by rains to cause – (1) Depletion of fossil fuel reserves (2) Eutrophication in lakes (3) Lowering of pH of soil (4) Industrial smog formation

Last Answer : (1) Depletion of fossil fuel reserves Explanation: The oxide of Sulphur (Sulphur Dioxide) is washed down on earth as acid rain.

Description : Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide

Last Answer : (1) Chlorofluorocarbons Explanation: Chlorofluorocarbon contributes to ozone depletion in the upper atmosphere. It is an organic compound that contains only carbon, chlorine, and fluorine, produced as a ... methane, ethane, propane. Its manufacture has been phased out under the Montreal Protocol.

Description : Ozone depletion in the atmosphere is mainly caused by - (1) sulphur dioxide (2) nitrogen dioxide (3) hydrogen sulphide (4) chlorofluorocarbon

Last Answer : (4) chlorofluorocarbon Explanation: A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, hydrogen and fluorine, produced as a volatile derivative of methane and ethane. They contribute to ozone depletion in the upper atmosphere.

Description : Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)

Last Answer : (D) CFC (chloro fluoro carbon)

Description : Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion ... rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

Last Answer : (A) CO

Description : CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozone. (A) 10 2 (B) 10 5 (C) 10 9 (D) 10 15

Last Answer : (B) 10 5

Description : Oxide of sulphur present in the atmosphere are washed down by rains to cause : (1) Depletion of fossil fuel reserves (2) Eutrophication in lakes (3) Lowering of pH of soil (4) Industrial smog formation

Last Answer : Depletion of fossil fuel reserves

Description : Ozone depletion in the atmosphere is mainly caused by (1) sulphur dioxide (2) nitrogen dioxide (3) hydrogen sulphide (4) chlorofluorocarbon

Last Answer : chlorofluorocarbon

Description : Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbon (4) Sulphur dioxide

Last Answer : Chlorofluorocarbon

Description : Which of the following statements are true of the multiple organ dysfunction syndrome (MODS)? A. The two-hit model proposes that secondary MODS may be produced when even a relatively ... intensive care units has decreased owing to increased awareness, prevention, and treatment of the syndrome.

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Last Answer : Ans: A

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Description : The width of depletion layer of a P-N junction – (1) decreases with light doping (2) increases with heavy doping (3) is independent of applied voltage (4) is increased under reverse bias

Last Answer : (4) is increased under reverse bias Explanation: The total width of the depletion region is a function of applied reverse-bias and impurity concentration. Forward bias decreases the depletion region width whilst reverse bias increases it.

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Last Answer : Increased capillary hydrostatic pressure

Description : Metabolic effects that generally attend antiinflammatory doses of aspirin include the following except: A. Increased CO2 production B. Hepatic glycogen depletion C. Metabolic acidosis D. Compensated respiratory alkalosis

Last Answer : C. Metabolic acidosis

Description : The width of depletion layer of a P-N junction (1) decreases with light doping (2) increases with heavy doping (3) is independent of applied voltage (4) is increased under reverse bias

Last Answer :  is increased under reverse bias

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Last Answer : Answer : A

Description : In the case of malignant melanoma occurring intra orally, which of the following is true: a. Uncommon on the palate when occurs intra orally. b. Should not biopsied, as this will increase metasis ... incidence of oral melanoma is the same as those on the skin. e. Commonly occurs intra orally.

Last Answer : c. The 5 year survival rate is 20%.

Description : In the case of malignant melanoma occurring intra orally, which of the following is true: A. Uncommon on the palate when occurs intra orally B. Should not biopsied, as this will increase metasis ... The incidence of oral melanoma is the same as those on the skin E. Commonly occurs intra orally

Last Answer : C. The 5 years survival rate is 20%

Description : Sodium depletion occurs in excessive sweating, and cannot be corrected by drinking water alone. When uncorrected, it may lead to A. Increase of urea in blood B. Swelling of ankles and feet C. Muscle cramps, loss of energy, fatigue and faintness D. Renal failure

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Description : Melanoma (skin cancer) is associated with -------? A. ozone accumulation B. ozone depletion (Answer) C. acid rain D. allergens

Last Answer : B. ozone depletion (Answer)

Description : Increasing high skin cancer and high mutation rate are a) O3 depletion b) Acid rain c) CO pollution d) CO2 Pollution.

Last Answer : a) O3 depletion

Description : Is pancreatic cancer the most severe, if not what is like a death sentence, even if it's not one of kinds of cancers ?

Last Answer : It’s not good. As with most cancer, it depends on what stage the cancer is in when discovered, and effectiveness of available treatments, and sadly what/if any insurance does the person have (if in USA.)

Description : Can antioxidants really help lower risk of cancers?

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Last Answer : It sounds like it might be a promising avenue for further research and looking at the second link and just glancing over some of the other papers it looks like a number of people are doing research in this area, ... at this point and I am not an oncologist or a biologist or any kind of -ist at all.

Description : Is recent research showing marijuana enhances brain function, delays dementia and cures cancers worth considering?

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Description : What is the most advanced treatment technology available for treating cancers?

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Last Answer : a) many oral cancers produce no symptoms in the early stages. As the cancer progresses, the patient may complain of tenderness or difficulty in chewing, swallowing, or speaking.

Description : Select the drug which is used exclusively in organ transplantation and autoimmune diseases, but not in cancers: A. Cyclophosphamide B. Cyclosporine C. Methotrexate D. 6-Mercaptopurine

Last Answer : B. Cyclosporine

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Last Answer : A. Anticancer drugs increase the risk of developing leukaemias and lymphomas several years later

Description : At zero degrees Celsius and one atmosphere (STP), the volume of a gas is 1,000 milliliters. If the temperature is increased to 25 degrees Celsius and the pressure is doubled, what is the new volume of the gas? w) 546 milliliters x) 500 milliliters y) 1,000 milliliters z) 273 milliliters

Last Answer : ANSWER: W -- 546 MILLILITERS

Description : At one atmosphere, a cylinder with movable piston contains 2,000 milliliters of gas. If the pressure is increased to 5 atmospheres and the temperature remains unchanged, what is the new volume of the gas? w) 10,000 milliliters x) 400 milliliters y) 1,000 milliliters z) 4,000 milliliters

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Description : Freon gas causing stratospheric `O_(3)` depletion is mainly released from :

Last Answer : Freon gas causing stratospheric `O_(3)` depletion is mainly released from : A. Refrigerators B. Automobiles C. Thermal power plants D. Steel industry.

Description : The gas, responsible for ozone depletion

Last Answer : Ans. CF2Cl2

Description : Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide

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Description : Which component of the atmosphere has increased during the last 200 years? -Do You Know?

Last Answer : answer:

Description : `CO_(2)` content of atmosphere has increased in the last 150 years from

Last Answer : `CO_(2)` content of atmosphere has increased in the last 150 years from A. 200 ppm to 300 ppm B. 350 ... . 280 ppm to 370 ppm D. 120 ppm to 280 ppm

Description : Which component of the atmosphere has increased during the last 200 years?

Last Answer : Carbon dioxide