Your control group would be the batteries since you CONTROL what brand you're using, for which one lasts the longest...aren't you suppose to figure that out when you do the experiment?
1. It is something we don't have to worry about ever losing.
2. We can use quite a bit of it.
3. Renewable energy saves us from wasting non reusable energy
4. We have something to use when we run out of non reusable energy
5. The energy is is helpful with everyday things.
Amino acids.
Amino acids group together to form proteins. Enzymes are protein in nature. Thus the substrate is an amino acid.
Hope it helped!
Calcium carbonate is <span>marble.
CaCo</span>₃ is marble.
