Sometimes a region will have a heat wave. What happens to the temperatures when the heat wave ends?

Analyze the forces acting on a cyclist who is slowing down as he or she climbs a hill

What are spirit and opportunity designed to do?

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.