PLS HELP If i don't pass this im screwd.

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.