a pure compound because an element is untouched and is just itself
RADIATION. Radio waves, microwaves, IR, light, UV, x-rays, GAMMA waves etc are ALL Electromagnetic radiation. The difference between ALL the above is the frequency, I.E. The number of waves per second. The higher the frequency the more energy.
Answer:
I think it is B
Explanation:
because the others don't look right
It’s Thai right? I want to help but don’t know how to answer this question.