I think the answer is 1, change ammonia into nitrates.
Answer:
Some folks will undoubtedly confront bigger difficulties than others. Those who live in locations exposed to coastal storms, drought, and sea level rise, as well as people in poverty, elderly individuals, and immigrant populations, may be particularly affected by climate change.
Explanation:
Our muscles are attached to our skeleton to help us move. If we had no skeleton then our muscles would hang limply, making it harder for us to move.
Answer: I think its B
Explanation: I hope this helps :)