Four things to do while proofreading are to check your spelling, grammar, punctuation, and capitalization.
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Answer:
The answer is friction
Explanation:
Friction is a force that opposes motion between two surfaces that are in contact.
Answer:
so he doesn't hit his younger brother.
Explanation:
Answer:
Phillip and Alicia moved into their new house.
Explanation:
"Their" is a plural possessive pronoun.