1
He determined that were constants in nature like gravity that could be
observed.

Isacc Newton

Explanation:

history and science class taught me stuff

Now let me teach you how to make me brainliest:

click the little crown.

the answer is b your welcome : )

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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