<span>the answer is c. energy</span>
Answer:
A bonding that occurs between high electronegative atoms such are N, F, O and H atoms, is called a hydrogen bond. Hydrogen bond is a very strong bond. (C)
If hydrogen bonds are not formed between H atoms and N, F, O atom, then the atoms interact through dispersion forces (also known as london dispersion forces). Dispersion forces are weak and they are temporary forces formed by overlapping of orbitals. (B)
I think the answer is D. the upper surface of undergound water.
Answer:
Cardiovascular system
also known as the The circulatory system,
Explanation:
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Electrons and protons because they are essentially always the same
