Question

16. An experiment is carried out to determine how different pH values of soil will affect the growth of tomato plants. In this

experiment, the independent variable could be the
1. Type of the tomato plant
2. Amount of soil provided
3. Colour the of tomato
4. Light intensity

Answer 1

Explanation:

2. Amount of soil provided.

In order to give different pH values of the soil, the amount of soil can directly affect this independent variable.