2. Which pair of objects has the largest gravitational force? marble and car

car and bowling ball

There is no gravitational force between any of these pairs of objects.

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

second mirror gathers light from a faraway object and reflects it to another mirror. - a.