Abrief explanation on how tv uses radio waves. i just don't really know how to word it.

What are segments of dna that code for a particular trait. a combination of dna and proteins make up what

Which type of wave can travel without a medium

Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d