What is pressure? What is pressure? Pressure is the force exerted per unit time by gas molecules as they strike the surfaces around them. Pressure is the force exerted per unit volume by gas molecules as they strike the surfaces around them. Pressure is the force exerted per unit area by gas molecules as they strike the surfaces around them. Pressure is the force exerted per unit length by gas molecules as they strike the surfaces around them.

d.) circle motion requires a force to give it a centripetal acceleration.

i do not get it   at all

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

elements make up everything, and they combine to make compounds.

the answer is c