Measure the amount of chemical used, measure the mass before and after
The answer would be B i believe<span>(a protease) begins the chemical digestion of protein</span>
10
In one molecule of N2H4 (Hydrazine), there are two nitrogen atoms.
So, to find how many there are in five molecules, multiply by five.
2 x 5 = 10
I think it’s c I’m not sure
