Which of the following is the most complete definition of
electromagnetic radiation?
A. energy that can travel through space in the
form of waves
B. the energy formed in the sun's core
C. heat waves that travel through planets
D. light that has a higher frequency than visible
light

I think the answer is A

a and b because with the other three, they simplify to something else.

the answer is option c.

explanation:

recycled water alludes to the water that being utilized again after it already  used for farming purposes.   this kind of water frequently contains pharmaceutical gathering due to the compound compost that is utilized for the plants is consumed into the water.