Physical properties are those which can be observed without any change in composition of the substance. Hence, a is the answer.
amount of product formed or amount of reactants used / time
Answer:
Yes it is because heating expands molecules of solution which helps to form a solution as it acts as solvent solution.
Explanation:
Because when the cells divide (resulting in more cells) the multicellular organism mantains its strong cells and when one cell is damaged the other cells compensate for that damaged cell.
