The answer to 2-7 would be -5, but 7-2 would be 5, depends how specific one is trying to be.
Answer:
Electrons are the negatively charged particles of an atom. Together, all of the electrons of an atom create a negative charge that balances the positive charge of the protons in the atomic nucleus. Electrons are extremely small compared to all of the other parts of the atom. The mass of an electron is almost 1,000 times smaller than the mass of a proton.
Explanation:
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Answer:
Explained
Explanation:
Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.
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