pesticides, Chemicals used to kill insects or pests that can harm plants., to mend, To fix something that is broken or damaged., landfills, Places where people put their rubbish (trash) and bury it., to increase, To become bigger or more., to reduce, To make something smaller or less., renewable energy, Energy that comes from natural sources that do not run out, like sun, wind, or water., endangered species, Animals or plants that are in danger of disappearing forever.

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