Tycho Brahe's contribution to Kepler's laws of planetary motion was that the solar system is heliocentric making the first and second law of Kepler's planetary motion possible.
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The Himalayan mountain range and Tibetan plateau have formed as a result of the collision between the Indian Plate and Eurasian Plate which began 50 million years ago and continues today.
Answer: Population, Territory, Government, Sovereignty.
A covalent bond is a chemical bond that involves the sharing of electrons pairs between 2 nonmetal atoms. Hope that helped