Im trying to finish my study guide so i can study this weekend but i have more problems like this and i don't have a clue of what they mean

By switching from fossil fuels to solar,wind,hydroelectric,and other renewable sources of energy,humans can _____ the trends in biodiversity loss .

Depletion of the ______in the atmosphere has slowed because of an international ban on the manufacture of chemical compounds used in refrigerators and aerosol spray cans.

2 answers

reverse or halt or ameliorate

ozone
2. ozone