he division of the US government into three branches is called public welfare. separation of powers. public works. separation of Congress.

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Separation of Powers

Explanation:

an act of vesting the legislative, executive, and judicial powers of government in separate bodies.

the index of refraction of the second medium is higher. i just took the test trust me !

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.