How did copernicus arrive at the heliocentric theory

What is the relationship between the direction of motion of the balloon and the wind currents

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Which phrase describes the paleo-indians of prehistoric arkansas? a. grew cornb. lived in cliff dwellings c. crafted beautiful potteryd. hunted with stone-tipped spearswhich phrase describes native arkansas from the woodland traditiona. developed widespread agricultureb. hunted mastodon and woolly mammothc. built rectangle-shaped homesd. traded salt with other groups