Biology, 30.07.2019 15:50 lailabirdiemae
Why is carbon-14 not used to determine the age of the earth?
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Biology, 21.06.2019 13:00
In complete sentences describe the energy flow between the sun, the earth, and space.
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Biology, 21.06.2019 14:30
Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical?
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Biology, 22.06.2019 07:30
The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body
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Why is carbon-14 not used to determine the age of the earth?...
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