Question

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

Explanation:

Phytoremediation is a method that uses plants to clean up hazardous waste. Landfills are sites for waste disposal. Surface impoundments are basins for waste storage. Injection wells are for injecting waste underground. Only phytoremediation involves plants.

Answer:

phytoremediation