Help me please I need to get it done

CAN IGET BRAINLIEST

Explanation:

Independent variable is the amount lights

Dependent variable is the amount of growth

Two constants soil and amount of water per day

I think the control group is the normal plant, it is important to have control group because it shows what changed between it and expiremental group.

answer; i believe the answer is (polygenic inheritance;

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.