Enzymes in our body increases the speed of chemical digestion.
The independent variable is a variable that is being manipulated or controlled. This is to see how it affects, changes and yields the outcome of the particular stimuli.
The dry ice experiment has an IV of temperature and a DV of melting time.
It will be Solvent the term that would describe the alcohol will be solvent.
The answer to your question is C.)
Yes, because you made a new substance to make a gas.