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________ turn off allergic responses by phagocytizing allergens and degrading histamine.
Pesticides
Chemical agents used to kill or control pests that damage crops and spread diseases, including insecticides, herbicides, and fungicides.
Fertilizer Runoff
The movement of water-soluble components of fertilizer from agricultural lands to nearby water bodies, potentially causing nutrient pollution and algal blooms.
Smokestack
A large, tall chimney through which combustion gases and smoke are discharged, commonly seen in industrial plants and ships.
Persistence
The ability of a substance to remain in the environment for a long time without breaking down.
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