How do the sperm cells of nonvascular plants reach the egg cells during reproduction? the sperm cells are blown by the wind and land on the egg cells. the sperm cells swim to the egg cells through their watery surroundings. the sperm cells are forcefully ejected from their capsules to hit the egg cells.

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.