It means every thing is made out of Atoms and some things are element componds so elements are the "backbone" of the compounds.
Water pollution is a major problem resulting from the oil industry in eastern Alberta, Canada.
Hope it helps!
The correct answer is B, electrons emit and absorb energy based on their position around the nucleus.
ANSWER:
the correct answer is D.Yes; without reproduction, once the living organisms died, there would be no offspring to replace them.
TIP: bc if a species dies and it doesnt reproduce that species will go extinct, and remember every specie plays a role in life (but they are some animals that dont and are just a threat to the world). so reproducing is the only way to keep their generation going!
~batmans wife dun dun dun...aka ~serenitybella
