Which factor contributes the most to the process of water erosion? A) evaporation
B) gravity
C) pressure
D) temperature
HELP

A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s

The density of a liquid could be found by using

What is created when solids,liquids,an gases mix with one another