How did Kepler's work build upon the theories of Copernicus? O Kepler proved that planets move in circular orbits around the sun.
O Kepler demonstrated that more planets existed in the solar system.
O Kepler added to the theory that planets move in orbits around the sun.
O Kepler showed that gravity exists and draws objects toward one another.

C

Explanation:

Through Brahe's astronomical measurements and Kepler's own drawings of the geometrical relationship between the Sun and Mars in various parts of the planet's orbit, Kepler discovered that planets moved faster when they were closer to the Sun.

the soviet union wanted to impose communist governments in eastern europe.

well not the inner core.. its made entirely of lava. the crust is obviosly not it. and the outer core is made of nickel so your answer would be a the mantle

hope this