Question

what is one of the primary reasons pesticides are used?
to promote biodiversity in rural areas
to enhance soil fertility in urban environments
to improve air quality in agricultural land
to control pests in agriculture and other areas

Explanation:

Pesticides are chemicals used to kill or repel pests such as insects, rodents, and weeds that can damage crops, spread diseases, or cause other problems in agriculture and other settings. They are not primarily used for promoting biodiversity, enhancing soil fertility in urban areas, or improving air - quality.

Answer:

to control pests in agriculture and other areas