What is your question please write properly>-< >_
Answer: i would say D or the last one.
Explanation: According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants. The law of conservation of mass is useful for a number of calculations and can be used to solve for unknown masses, such the amount of gas consumed or produced during a reaction.
Hope this helps :) Can u plz mark me branliest
Cells are the basic unit of structure in all organisms and also the basic unit of reproduction.
What is the this (^ that up there) a description of?
<span>Calcium phosphide hope this helped </span>
