I just did this BTW. The correct answer is A.) Nuclear fusion is the correct answer. Nuclear fission is what we use today in nuclear power plants, a great deal of radioactive waste, the other are by products of this process. Nuclear fusion releases a great deal of energy with a little radioactivity, but the problem is ignition temperatures; but maybe someday.
The answer is 4. Hope this helps
Growth, repair, reproduce
Answer:
im so sorry this is so late but i hope i can still help.... its the 3rd one
Explanation:
the correct answer you are looking for would be letter B. formation of geological layers
hope this helps :)