Answer:Metabolism is the term for a set of chemical reactions that occur in the cells of living organisms to sustain life. The metabolic processes lead to growth and reproduction and allow living organisms to maintain their structures and respond to the surrounding environment.
Explanation:cause i said so
Answer: Yes, because Sam is experiencing PTSD.
Explanation: PTSD is a psychiatric disorder that occurs to people after a traumatic experience. Since Sam survived a very bad car crash, he is traumatized and should seek professional help.
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They must contract and relax to move the bones for movement
Answer:
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Ice floats on water because it is less dense than water. When water freezes into its solid form, its molecules are able to form more stable hydrogen bonds locking them into positions. ... Most substances in their solid form are more dense than their liquid forms.
