Answer:
The given statement is True.
An environmental scientist is the one who studies environmental processes, impacts of human activities on an environment, and try to find out the solutions for environmental problems.
The main components of environmental studies are atmospheric sciences, geosciences, environmental chemistry, and ecology.
Under environment chemistry, scientists determine the effects of chemicals on the environment. It includes water pollution and soil contamination.
Thus, an environmental scientist can study the effect of soil pollution on plant growth.
Hence, the given statement is true.