Which contributes to acid rain?

a. solar power

b. burning fossil fuels

c. nuclear power

d. hydroelectric power

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

What describes the particles in a liquid