The nitrogen cycle includes four major processes: nitrogen fixation, nitrification, denitrification and ammonification. ... This results in the reduction of the nitrogen in nitrates back into nitrogen gas which is released into the atmosphere. Ammonification occurs when decaying plants and animals are broken down.
The answer is D) Neither boy is right. The car will move in the opposite direction, to the left. When he taped the straw and balloon to face toward the right, this will indicate the the air flow will go to the right side making the car move in the left side.
Answer: To the west of the Great Divide is the Green River watershed, draining to the Pacific Ocean and to the north is the North Platte watershed, draining to the Atlantic Ocean so the answer is they feed different watersheds.
Explanation:
Progesterone is a steroid hormone that is usually made by the adrenal cortex along with the gonads, which consists of the ovaries and testes
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Answer: Cell therapies would use stem cells, or cells grown from stem cells, to replace or rejuvenate damaged tissue. Scientists also want to use stem cells to understand disease and find drugs that might treat it. Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury.
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