Answer:
so you jus answered your own question?
Explanation:
Gravel in the soil helps crops grow better, since they provide nutrients. Sand however, doesn't impact the crops growth at all.
Answer:
D a photograph
Explanation:
because it help to know what happened through the help of picture. it also help to increase memory power..
The answer is a political system
Answer: I believe the answer must be D.
Explanation: Because wind is a renewable energy source as it can appear and disappear in general and it happens a lot within coastal areas! It's definitely needed! Solar panels cannot really float and it would be unusual for that to happen if I am being honest. Fossil fuels are not renewable and they take a lot of years for them to decompose and they cause lots of pollution. I'm not sure about C, but I don't find the answer to be correct because I feel it best for nuclear energy to be most appropriate in places with nuclear equipment like labs or factories. This is my best guess and I hope you get this right!!
I hope this helped you, but please double-check with your teacher on this question! Good Luck!! :)