Question

2. Which waves have the longest wavelength and lowest energy on the electromagnetic spectrum? (1 point)
a. X-rays
b. infrared
c. radio waves
d. gamma rays

Answer 1

I think it's a. X-rays

Answer 2

Ever see a low frequency radio antenna :) ?

there are radio waves kilometers long.
see:
http://en.wikipedia.org/wiki/Electromagnetic_spectrum

Answer 3

Look at the chart on the right of that link and the legend beneath it.

Answer 4

what process describes the transfer of heat through matter by molecular activity

Answer 5

its radio waves

Answer 6

radio waves.