Which of these is true of sound waves?

a) they can only move through air.

b) they move in all directions.

c) they can be heard in space.

If you heat soup on a stove, what happens to the movement of the soup's particles? a. the particles move slower. b. the particles move faster. c. there's no change in the speed of particles. d. the particles stop moving.

On which area of the map would you most likely find people belonging to the kurdish ethnic group? a) 1 b) 2 c) 3 d) 4 sroy no pic i could't do it

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude