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klasskru [66]
3 years ago
11

I need help with this please

Biology
1 answer:
taurus [48]3 years ago
6 0

Answer:

Photosynthetic organisms provide food for humans as well as glucose and oxygen.  All the food we eat either directly (if we eat a plant) or indirectly (if we eat an animal that eats plants or other animals) can be traced to photosynthesis. Actually, almost all organisms obtain their energy from photosynthetic organisms.

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Answer:

B.

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Answer:

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A sample of Carbon-14 originally contained 100 g. After three half-lives have
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Answer:

After 3 half lives 12.5 g of C-14 left

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Given data:

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Thus, after 3 half lives 12.5 g of C-14 left.

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