What is the purpose of using a control in scientific experiments?

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 three natural resources are found in the great lakes region

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true