Basically taking water, and then making a different compound react with the water.
The answer is A as they had to spend time growing or looking for food as food was scarce back then.
Agamma ray<span> is a </span>very high speed particle<span> with </span>no charge<span>.</span>
Explanation:
i think
Each ion, or atom, has a particular mass; similarly, each mole of a given pure substance also has a definite mass. The mass of one mole of atoms of a pure element in grams is equivalent to the atomic mass of that element in atomic mass units (amu) or in grams per mole (g/mol).
