Answer:
The size.
Explanation:
Some molecules are too big to be digested by the gut without being broken down so the stomach must then use the hydrochloric acid that lies within the stomach & energy to break down the food to be able to absorb the energy from the bigger food molecules.
An ion is a tiny particle or molecule with a positive or negative charge, meaning that it has either lost or gained electron(s)
The hole allows oxygen to escape the atmosphere because of the equilibrium concept. The air is able to be sucked out at any point by the outer space that has less. Oxygen naturally disperses itself evenly at any chance, which is not good when there is the hole in the ozone layer.
Answer:
E
Explanation:
This is a glycolysis 2nd reaction, the organic molecule or glucose must be negatively chargedin order to reduce the positively charged NAD+. Oxygen must be present to oxidize the NADH produced back to NAD+ and the free energy liberated when electrons are removed from the organic molecules must be greater than the energy required to give the electrons to NAD+.
