Which statement about satellite motion is true? a. a satellite uses rocket fuel to steer itself around earth. b. a satellite in orbit continuously falls toward earth. c. gravity does not act on a satellite once it is in orbit. d. inertia prevents a satellite from orbiting continuously.

A satellite in orbit is continually falling  toward whatever central body it's orbiting. That goes for the Moon, a TV satellite, the ISS, the Earth orbiting the sun, etc.  The other 3 choices are false statements.

answer: its c lololo

1 - wave length

2 - amplitude

3 - crest

4 - trough

explanation:

duh.