What was the idea of the continent drift

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

How do you tell if someone actually cares about you? and just say they do?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n