A. To carry oxygen
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Answer:
DNA fingerprinting has had many practical uses and is extremely beneficial to our society. It can be used for learning and preventing diseases, it plays a big role in genetics, it helps for knowing a person's identity, and it can be used as evidence in criminal cases.
Explanation:
The answer is all of the above
Answer:
No, carbon levels will decrease.
Explanation:
Trees take inn carbon and 'breathe' out oxygen
So the carbon levels should decrease
I would say A because if the ball is rolling down the hill the it won't stop till it hits the bottom.
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