What does this image show?

ripples on the surface of water

two mountains and a valley with a river

sound vibrations

two small hills and a lake

What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this

Happiness is to senipah as 517768399 is to what?