Answer:
A <u><em>polar covalent bond</em></u> is a covalent bond in which the atoms have an unequal attraction for electrons and so the sharing is unequal. In a polar covalent bond, sometimes simply called a polar bond, the distribution of electrons around the molecule is no longer symmetrical.
Explanation:
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Muscular system in our body is responsible for the movement. Digestive system in our body is responsible for moving food.
It’s B why do I have to write 20 characters
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ABCDEFGHIJKLMNOPQRSTUVWXYZ
Answer: The first blank is “does not”
The second blank is “reduces”
The third blank is “stays the same”