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A fossil contains 1/16 of the carbon -14 it began with. How old is the fossil?
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There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?
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Write a paragraph at least 5 sentences βwhy all vaccinations should be mandatoryβ
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Which of the following are responsible for sending messages from the hypothalamus to the thalamus?
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Biology, 22.06.2019 19:30
When it is summer at the south pole, a. the northern hemisphere is tilted toward the sun. b. the southern hemisphere is tilted away from the sun. c. the northern hemisphere is tilted away from the sun. d. both the southern and northern hemispheres are tilted toward the sun.
Answers: 1
A fossil contains 1/16 of the carbon -14 it began with. How old is the fossil?...
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