The muscular system is responsible for the movement of the human body. Attached to the bones of the skeletal system are about 700 named muscles that make up roughly half of a person's body weight. Each of these muscles is a discrete organ constructed of skeletal muscle tissue, blood vessels, tendons, and nerves.
Explanation:
D. A change in the amount of polar ice will alter how ocean currents move.
Synchroniser switch is in the "on" position.
The answer is greenhouse effect
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The process in which two gametes unite is called fertilization.
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