Answer:
He believed in biology
Explanation:
he believed the world was made up of individuals.
Answer: a chemical change. A physical change would be like crushing up a piece of paper, you could fold it back out until its flat. A chemical change would be something unreversable, i.e. going from all the different ingredients to a fully b asked cookie. The yellowing of pages is due to oxidization.
Explanation:
Answer:
1) some of the gas maybe metal but non metal directly refers it self to not begin metal
2) gases are present in only air . non metals are available in solid form too