How was Raphael influenced by Michelangelo and Leonardo Da Vinci, and what set him apart from them and others from their time?

- 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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travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse