Why does the area around the equator stay the same temperature year-round

He acceleration due to gravity on the surface of mars is about one third the acceleration due to gravity on earth’s surface. the weight of a space probe on the surface of mars is about

If it takes ashley 3 seconds to run from the batters box to first base at an average speed of 6.5 meters per second, what is the displacement she covers in that time?

Ascientist studies a model of a widely accepted theory about the universe. the model would most likely the scientist to understand a theory which cannot be observed prove that the theory would not change in the future demonstrate how the theory can be changed into a law prove that all other theories about the universe are incorrect