What is the difference between am radio waves and fm radio waves? a-am waves travel short distances along the earth’s surface; fm waves travel farther. b-an am wave varies in amplitude; an fm wave varies in frequency. c-fm waves are better reflected by particles in the earth’s atmosphere. d-an fm wave varies in amplitude; an am wave varies in frequency.

Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil