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.
i believe the correct answer is d
the genotypes would be 50% bb and 50% bb
the phenotypes would be 50% brown and 50% white. hope this : )