Answer:
i just need points. But goodluck finding the answer tho. I believe in you:))
Explanation:
To change only one variable which is very important than to test the experiment to match the hypothesis again, I think. It’s been a while since I was on that lesson♀️
Answer:
Oxygen because that's what oxides are/what oxide means.
Answer:
because they contains clues about what the earth was like in the past. different rocks from under only certain conditions and even the dullest gray lump of rock.