Question and answer
The change in isotopes over time due to the emission of radioactive particles is known as A. absolute-age dating. B. radioactive decay. C. radiometric dating. D. half-life.
The change in isotopes over time due to the emission of radioactive particles is known as D. radioactive decay.
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Original conversation
User: The change in isotopes over time due to the emission of radioactive particles is known as A. absolute-age dating. B. radioactive decay. C. radiometric dating. D. half-life.

Weegy: The change in isotopes over time due to the emission of radioactive particles is known as D. radioactive decay.
Ems67|Points 210|

User: 2. The Cenozoic Era is also referred to as the A. Age of Mammals. B. Age of Dinosaurs. C. Age of Fish. D. First Era.

Weegy: The Cenozoic Era is also referred to as the C. Age of Mammals.
yumdrea|Points 1352|

User: 3. Sand or gravel that naturally forms near Earth's surface is known as A. pollen. B. aggregate. C. bedrock. D. ore.

Weegy: Sand or gravel that naturally forms near Earth's surface is known as D)Bedrock Sand and gravel is usually mined in surface pits or rock is crushed to size, gold is mined in surface pits, underground mines, and in streams and rivers.
broarnoldmartin|Points 45|

User: 4. In addition to being necessary for respiration, _______ also provides UV radiation protection. A. water B. oxygen C. carbon dioxide D. hydrogen





Weegy: In addition to being necessary for respiration, OXYGEN also provides UV radiation protection.
Expert answered|alfred123|Points 4037|

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Asked 327 days ago|9/27/2013 1:25:27 PM
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Added 39 days ago|7/13/2014 7:22:46 AM
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