Question

which method of dealing with hazardous waste involves plants?
phytoremediation
surface impoundments
landfills
injection wells

Explanation:

Phytoremediation is a method that uses plants to remove, degrade, or contain hazardous substances in soil, water, or air. Surface impoundments are human - made depressions for storing liquids. Landfills are sites for burying waste. Injection wells are used to inject fluids underground. Only phytoremediation involves plants.

Answer:

phytoremediation