Why were these amendments important?

they were important because if we never have them, we wouldnt

of had these stuff, like freedom, speech etc and life would be totally differnet and the world must of been like in danger or sum

The amendments are important because they give us (as people) civil rights and liberties. For example, the right to free speech and the right to bear arms.

Explanation:

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an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

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d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."