All enzymes which catalyze the chemical reactions of a cell are a. carbohydrates b. lipids c. long-chain fatty acids d. proteins e. ribonucleic acids no another by differences in​

I think the answer will be protein.

the answer is carbohydrates

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.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.