The lowest layer in the atmosphere is the it contains clouds of smog

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?