Answer:
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Since our planet and its atmosphere form a closed environment, the amount of carbon in this system does not change.
Answer:
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Explanation:
I had this question before and this is the guaranteed answer
I'm not sure about the first two but I think the one about the halite crystal is cubic. :)
Answer:
<em><u>Pancreas</u></em> is Insulin is released when blood sugar levels are too high
<em><u>Thymus Gland</u></em> is Your immune system fight off an infection
<em><u>Pineal Gland </u></em>is you begin to feel sleepy after a long session
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Explanation: Hope it helps :)
