Which BEST describes the data shown in the graph?
A. Pepsin functions best in acidic environments.
B. Pepsin activity is least effective in low pH environments.
C. Pepsin remains very active over a broad range of pH values.
D. Pepsin is more active at high pH values than at low pH values.

the sunflower because each experiment got the same results

hope this !

-payshence

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.