Answer:
A
Explanation:
water molecules are combined to make food
The atomic mass would not change since the mass of an electron is negligible compared to the mass of protons and neutrons
Answer:
when the forward and reverse reactions occur at equal rates.
chemical reaction is in equilibrium when the concentrations of reactants and products are constant - their ratio does not vary.
Answer:
Gill's
Explanation:
Fish's have many characteristics that differ from humans, and one of them is the gills.