Age of fossils in the past was generally determined by radiocarbon method and other methods involving radioactive elements found in the rocks. More pr

Age of fossils in the past was generally determined by radiocarbon method and other methods involving radioactive elements found in the rocks. More pr
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Age of fossils in the past was generally determined by radiocarbon method and other methods ... D. Study of carbohydrates/proteins in fossils
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Radiocarbon dating technique is used to estimate the age of - (1) rocks (2) monuments (3) soil (4) fossils

Description : Radiocarbon dating technique is used to estimate the age of - (1) rocks (2) monuments (3) soil (4) fossils

Last Answer : (4) fossils Explanation: Radiocarbon dating technique is used to estimate the age of fossils. It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities.

Radiocarbon dating is used to estimate the ages of (a) babies (b) fossils (c) rocks (d) ancient buildings

Description : Radiocarbon dating is used to estimate the ages of (a) babies (b) fossils (c) rocks (d) ancient buildings

Last Answer : Ans:(b)

For determination of the age of which among the following is carbon dating method used ? (1) Fossils (2) Rocks (3) Trees (4) 1& 2 above

Description : For determination of the age of which among the following is carbon dating method used ? (1) Fossils (2) Rocks (3) Trees (4) 1& 2 above

Last Answer : 1& 2 above

Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- Rocks are formed due to sediments.

Description : Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- Rocks are formed due to sediments.

Last Answer : Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- ... . D. If both Assertion & Reason are false.

Fossils are rarely found in such rocks as: w) limestone x) sandstone y) shale z) granite

Description : Fossils are rarely found in such rocks as: w) limestone x) sandstone y) shale z) granite

Last Answer : ANSWER: Z -- GRANITE

How are fossils formed? Describe, in brief, two methods of determining the age of fossils. -Biology

Description : How are fossils formed? Describe, in brief, two methods of determining the age of fossils. -Biology

Last Answer : When organisms die, their bodies decompose due to action of micro organisms. However, sometime the body or at least some parts of the body may be in such an environment that does not let it ... in deeper layers.By detecting the ratios of different isotopes of the same element in the fossil material.

Can radiocarbon dating be used to determine the age of petrified wood?

Description : Can radiocarbon dating be used to determine the age of petrified wood?

Last Answer : No. Petrified wood is not wood anymore it's rock (minerals) andonly once living things can be carbon dated.

The technique of calculating the age of fossil organisms is - (1) Radiocarbon dating (2) Electroporation (3) Counting the annual rings (4) Micromanipulation

Description : The technique of calculating the age of fossil organisms is - (1) Radiocarbon dating (2) Electroporation (3) Counting the annual rings (4) Micromanipulation

Last Answer : (1) Radiocarbon dating Explanation: Radiocarbon dating (usually referred to as simply carbon dating) is a radiometric dating method that uses the naturally occurring radioisotope carbon-14 (14C) to ... dating was developed by Willard Libby and his colleagues at the University of Chicago in 1949.

The technique of calculating the age of fossil organisms is (1) Radiocarbon dating (2) Electroporation (3) Counting the annual rings (4) Micromanipulation

Description : The technique of calculating the age of fossil organisms is (1) Radiocarbon dating (2) Electroporation (3) Counting the annual rings (4) Micromanipulation

Last Answer : Radiocarbon dating

Fossils are generally found in

Description : Fossils are generally found in

Last Answer : Fossils are generally found in A. Sedimentary rocks B. lgneous rocks C. Metamorphic rocks D. Any type of rock

Why can’t fossils be formed in metamorphic rock and only in sedimentary rocks and igneous rocks as they cool?

Description : Why can’t fossils be formed in metamorphic rock and only in sedimentary rocks and igneous rocks as they cool?

Last Answer : vDFYUahereidfiukj

The study of fossils in different aed rocks shows all of the following except. :

Description : The study of fossils in different aed rocks shows all of the following except. :

Last Answer : The study of fossils in different aed rocks shows all of the following except. : A. They ... time spans D. They do not present extinct organisms

How rocks fossils and climate provided evidence of continental drift?

Description : How rocks fossils and climate provided evidence of continental drift?

Last Answer : Need answer

Can metamorphic rocks contain fossils?

Description : Can metamorphic rocks contain fossils?

Last Answer : can metamorphic rock contain fosils

Life originated first in the primitive oceans. The evidences supporting this view a. Protoplasm and body fluids of all animals contain salt b. Moist simpler and lower animals are aquatic and marine c. Fossils of earliest animals obtained from rocks of marine origin d. All the above

Description : Life originated first in the primitive oceans. The evidences supporting this view a. Protoplasm and body fluids of all animals contain salt b. Moist simpler and lower animals are aquatic and marine c. Fossils of earliest animals obtained from rocks of marine origin d. All the above

Last Answer : d. All the above

The oldest rocks that contain abundant fossils are: w) Precambrian x) Paleozoic y) Mesozoic z) Cenozoic

Description : The oldest rocks that contain abundant fossils are: w) Precambrian x) Paleozoic y) Mesozoic z) Cenozoic

Last Answer : ANSWER: X -- PALEOZOIC 

By which of the following methods the temperature rise of windings and other parts may be determined ? (a) Thermometer method (6) Resistance method (c) Embedded temperature detector method (d) Any of the above

Description : By which of the following methods the temperature rise of windings and other parts may be determined ? (a) Thermometer method (6) Resistance method (c) Embedded temperature detector method (d) Any of the above

Last Answer : (d) Any of the above

Do fossils help us understand past environments?

Description : Do fossils help us understand past environments?

Last Answer : Yes, because fossils are remains of plants and animals of thepast.

Which of the following methods of communication is the most effective? (a) Presenting written material (b) Presenting written material along with film projector (c) Multi-media method (d) Can not be determined. Depends upon the situation

Description : Which of the following methods of communication is the most effective? (a) Presenting written material (b) Presenting written material along with film projector (c) Multi-media method (d) Can not be determined. Depends upon the situation

Last Answer : (d) Can not be determined. Depends upon the situation

By which of the following methods motor rating for variable load drives can be determined ? (a) Method of average losses (b) Equivalent current method (c) Equivalent torque method (d) Equivalent power method (e) All of the above.

Description : By which of the following methods motor rating for variable load drives can be determined ? (a) Method of average losses (b) Equivalent current method (c) Equivalent torque method (d) Equivalent power method (e) All of the above.

Last Answer : (e) All of the above.

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 _____.

What is the process of bone scan imaging and radiocarbon dating?

Description : What is the process of bone scan imaging and radiocarbon dating?

Last Answer : Need 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 _____.

Radiocarbon dating was developed by?

Description : Radiocarbon dating was developed by?

Last Answer : Willard F. Libby

Element used in Radiocarbon dating?

Description : Element used in Radiocarbon dating?

Last Answer : Carbon 14

Are igneous, metomorphic, or sedementary rocks radioactive?

Description : Are igneous, metomorphic, or sedementary rocks radioactive?

Last Answer : Igneous, metamorphic, and sedimentary rocks are all formed different ways. Some of them are radioactive, but that would be a separate question. It's a little bit like, are ham sandwiches, peanut butter sandwiches, or ... wheat bread? It's not the kind of rock, so much as what's in it, that matters.

Sulphur content in lighter and heavier petroleum products is generally determined respectively by (A) Lamp method and bomb method (B) Bomb method and lamp method (C) Bomb method and quartz tube method (D) Quartz tube method and lamp method

Description : Sulphur content in lighter and heavier petroleum products is generally determined respectively by (A) Lamp method and bomb method (B) Bomb method and lamp method (C) Bomb method and quartz tube method (D) Quartz tube method and lamp method

Last Answer : (B) Bomb method and lamp method

If there is an accident involving a car backing out of a parking space and a car driving past in a parking lot, is the driver backing always at fault?

Description : If there is an accident involving a car backing out of a parking space and a car driving past in a parking lot, is the driver backing always at fault?

Last Answer : I would say yes. The driver backing out was not practicing enough caution. The one main reason I always try to park facing out in a parking lot. But that isn’t saying that the other driver wasn’t practicing caution either. Too many people take too many chances! SO not worth it.

Which of the following methods is used to estimate flood discharge based on high water marks left over in the past? (A) Slope-area method (B) Area-velocity method (C) Moving boat method (D) Ultrasonic method

Description : Which of the following methods is used to estimate flood discharge based on high water marks left over in the past? (A) Slope-area method (B) Area-velocity method (C) Moving boat method (D) Ultrasonic method

Last Answer : Answer: Option A

Henry takes the company's sales for the past five years and calculates a growth trend. Which sales forecasting method is being employed? A)time series analysis B)executive judgement C)correlation methods D)market tests

Description : Henry takes the company's sales for the past five years and calculates a growth trend. Which sales forecasting method is being employed? A)time series analysis B)executive judgement C)correlation methods D)market tests

Last Answer : A)time series analysis

Is the decay of a radioactive isotope predictable (causally determined) or not?

Description : Is the decay of a radioactive isotope predictable (causally determined) or not?

Last Answer : At this point it seems to be a result of quantum indeterminacy. In other words, since the Heisenberg uncertainty principle is in effect at that level, all we can determine is probability (hence a predictable ... , it is deterministic and we will (hopefully) one day be able to understand it as such.

The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a GeigerMuller counter from its known quantity. If the half life period of aradioactive substance is one month, then(A) 3/4th of it will disintegrate in two months(B) It will completely disintegrate in two months(C) It will completely disintegrate in four months(D) 1/8th of it will remain intact at the end of four months

Description : The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a GeigerMuller counter from its known quantity. If the half life period of a ... in four months (D) 1/8th of it will remain intact at the end of four months

Last Answer : (B) It will completely disintegrate in two months

What do the acronyms PA, DA, and PR stand for? A. Personal authority, domain authority, parked rename B. Page authority, domain age, page rank C. Page authority, domain authority, page rank D. None of the above

Description : What do the acronyms PA, DA, and PR stand for? A. Personal authority, domain authority, parked rename B. Page authority, domain age, page rank C. Page authority, domain authority, page rank D. None of the above

Last Answer : C. Page authority, domain authority, page rank

) What do the acronyms PA, DA, and PR stand for?  A. Page authority, domain age, page rank  B.Page authority, domain authority, page rank  C.Personal authority, domain authority, parked rename  D.All of the above

Description : ) What do the acronyms PA, DA, and PR stand for?  A. Page authority, domain age, page rank  B.Page authority, domain authority, page rank  C.Personal authority, domain authority, parked rename  D.All of the above

Last Answer :  B.Page authority, domain authority, page rank

Petroleum is generally found in which rocks? -Do You Know?

Description : Petroleum is generally found in which rocks? -Do You Know?

Last Answer : answer:

Petroleum is generally found in which rocks?

Description : Petroleum is generally found in which rocks?

Last Answer : Folded marine sedimentary rocks

1. The year 1995 is the golden Jubilee year of which international organizations? 2. As per latest data in urban areas women employment is highest in which industry areas? 3. By which doctor was the first successful heart transplant in India performed? 4. Petroleum is generally found in which rocks? 5. Who was regarded as ‘Zinda pir’?

Description : 1. The year 1995 is the golden Jubilee year of which international organizations? 2. As per latest data in urban areas women employment is highest in which industry areas? 3. By which doctor ... is Pakistan's nuclear power plant located? 20. Who recaptured Delhi from the rebels for the British?

Last Answer : Answer : 1. UNO 2. Retail Trade 3. Dr. Venugopal 4. Folded marine sedimentary rocks 5. Aurangzeb 6. Rajasthan 7. High octane fuel 8. April 25 9. Basalts. 10. After Sepoy Mutiny 11. Tennis 12. ... Anthracite 15. Muhammed Shah 16. 3 108 m 17. Incomes 18. Football 19. Kahuta 20. John Nicholson

The age of fossils is dermined by :

Description : The age of fossils is dermined by :

Last Answer : The age of fossils is dermined by : A. analysis of bones B. radioative `c^(14)` dating C. electron microscopy D. weighing the fossils

How are fossils useful in determining the absolute age of rock?

Description : How are fossils useful in determining the absolute age of rock?

Last Answer : What is the answer ?

Age of fossils is calculated by?

Description : Age of fossils is calculated by?

Last Answer : Radiocarbon dating

Which isotope is used to determine the age of fossils ?

Description : Which isotope is used to determine the age of fossils ?

Last Answer : Carbon 14 $

What is an igneous rocks color determined by?

Description : What is an igneous rocks color determined by?

Last Answer : An igneous rock's color is mainly determined by its silicacontent.

Turbulent flow generally occurs for cases involving (A) Highly viscous fluid (B) Very narrow passages (C) Very slow motion (D) None of these

Description : Turbulent flow generally occurs for cases involving (A) Highly viscous fluid (B) Very narrow passages (C) Very slow motion (D) None of these

Last Answer : (D) None of these

Which element in radioactive form is used for determining the, ageiof aitifacts: relics; bones etc of the past?

Description : Which element in radioactive form is used for determining the, ageiof aitifacts:relics; bones etc of the past?

Last Answer : Carbon

By emotional maturity is meant a Options: A) Low degree of sensitivity coupled with a high level of intellectual growth B) Extreme patience or sympathy towards problems involving other people C) Lack of patience or sympathy towards problem involving other people D) Lack of control or inhibition of the emotions appropriate to one's age-group

Description : By emotional maturity is meant a Options: A) Low degree of sensitivity coupled with a high level of intellectual growth B) Extreme patience or sympathy towards problems involving other people C) Lack of ... other people D) Lack of control or inhibition of the emotions appropriate to one's age-group

Last Answer : D) Lack of control or inhibition of the emotions appropriate to one's age-group 

Unreacted core model' represents the reaction involving (A) Combustion of coal particles (B) Roasting of sulphide ores (C) Manufacture of carbon disulphide from elements (D) None of these

Description : Unreacted core model' represents the reaction involving (A) Combustion of coal particles (B) Roasting of sulphide ores (C) Manufacture of carbon disulphide from elements (D) None of these

Last Answer : (B) Roasting of sulphide ores

Suppose you are developing a new drug, and have found that when it is administered in humans there is a substantial increase in the volume of urine pr

Description : Suppose you are developing a new drug, and have found that when it is administered in humans there is a substantial increase in the volume of urine pr

Last Answer : Suppose you are developing a new drug, and have found that when it is administered in humans ... Mimics the action of ADH D. Decreases blood pressure

Most of what we call background radiation comes from two sources. One is the naturally radioactive elements around us. What is the other source?

Description : Most of what we call background radiation comes from two sources. One is the naturally radioactive elements around us. What is the other source?

Last Answer : ANSWER: COSMIC RADIATION

Radon differs from other naturally radioactive elements in which one of the following ways. Is it because radon w) is extremely radioactive x) decays into the element radium y) is a noble gas z) is as chemically active as fluorine

Description : Radon differs from other naturally radioactive elements in which one of the following ways. Is it because radon w) is extremely radioactive x) decays into the element radium y) is a noble gas z) is as chemically active as fluorine

Last Answer : ANSWER: Y -- IS A NOBLE GAS

What are the methods of treatment & disposal of radioactive wastes? (A) Evaporation & chemical precipitation (B) Biological methods & adsorption in ion exchange materials (C) Fixing into a solid mass with cement and sinking deep in the sea (D) All (A), (B) & (C)

Description : What are the methods of treatment & disposal of radioactive wastes? (A) Evaporation & chemical precipitation (B) Biological methods & adsorption in ion exchange materials (C) Fixing into a solid mass with cement and sinking deep in the sea (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)