It would be b it is doing with the temperature of water.
Acid rain is man made and there is more types of acid. Normal rainwater is dissolving Carbon Dioxide as it falls through the sky. When a volcano erupts actually slightly acidic with a pH of just over 6. This is due to the rain it releases gases such as Sulphur Dioxide into the air which makes the rainwater more acidic with a pH of about 4. Air pollution caused by man also contributes <span>to the acid rain.</span>
Complementary strand is: AAAATTTT
mrna strand is: UUUUAAAA