Answer:
Electromagnetic Radiation
Explanation:
When light shines on an object, it is reflected, absorbed, or transmitted through the object, depending on the object's material and the frequency (color) of the light. However, because light can travel through space, it cannot be a matter wave, like sound or water waves.
It has 9 protons, 9 electrons and 10 neutrons.
Answer: c
Explanation:
during the industrial revolution americans were switching from rural to urban life, thus using up more fossil fuels, and working in factories
18.is D
19.is A
hope it's correct
