Answer:
If the macromolecule is not lipid, then IT'S CARBOHYDRATE
The answer is D its tightly packed cells allow for proctection against harmful substances.
Answer:
it has thermal energy but at a less amount.
Explanation:
like know how heat transfers to hight tempter to low. some thing like that
Answer: water, wind, volcanic rock, sand, and other stuff that can pile up basically.
Alternative energy sources are those that do not deplete natural resources and do not harm the environment.
Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.
The only valid option here is D, Geothermal energy.
Geothermal energy is both renewable and environmentally friendly.
