hypothesized that planetary motions could be explained by a force arising from the attraction between the mass of the planet and Sun that decreased with the square of the distance between them. A Tycho BraheB Nicolaus CopernicusC Johannes KeplerD Isaac Newton

What does buck’s fear of the hairy man represent? 1 thornton’s excitement about getting to the gold 2 thornton’s fear that buck will leave him 3 buck’s excitement of continuing on with thornton 4 buck’s fear of the unknown world in the wild

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.

When another customer complains about the hair salon where georgeanna is a loyal customer, she defends it because she feels responsible for the continued success of the hair salon. this behavior suggests she has reached the rung of the loyalty ladder.