An increased greenhouse effect and the depletion of the ozone layer are two examples ofOn average, each American produces 4 pounds of trash each day (1,460 pounds of trash each year). To contain this trash, landfills are constructed. In what way do landfills primarily endanger ecosystems?

A.  They could contaminate surface and ground water sources.

Explanation:

Landfills are biodegradable waste sites that contain harmful gases and thus are kept at the periphery of the city. They include greenhouse gases and contribute to global warming. These landfills are hazardous places as they contain pollutants that pollute the environment and water, land, and soil.