Acid rain can have a pH between 1.5 and 5.0. The effect of acid rain on the environment depends on me pH of the rain and the characteristics of the environment. It appears that acid rain has a negative effect
un plants. The scale below shows the pH of normal rain.
Normal
rain
1 2 3 4 5 6 7 8 9 1011121314
PH Scalo
Provide the information requested In questions 41-43 that should be included in a research plan to test the
effect of
pH on the early growth of bean plants in the laboratory.

Q: State a hypothesis, identify the independent variable and state 2 factors that should be kept constant