B. Healthier ecosystems. If you're talking about benefits, this is the only positive on this list. The others are listing the difficulties or downsides.
Answer:
1. Stratus
2. Cirrus
3. Cumulus
4. Both Cumulus and Cirrus
Explanation:
The first choice is correct
I think the answer would be 1,or 2
hey the answer polytechnic traits my friend :)
