Most pesticides contain some form of chemical or organic compound in them that is toxic or detrimental to insects; sometimes there are a combination of compounds. This is referred to as the "active ingredient" of the pesticide.
They are able to kill insects in a number of ways depending on the insect and the formulation.
Some ways that pesticides work inlcude:
A pesticide is a chemical that kills pests on the farmer's crops. If they got into the river then it may kill organisms as well.
They are to pests.
Pesticides are chemicals which kill pests, generally insect pests. "Quick action" pesticides kill bugs quickly.
Fungus does not kill pesticides, pesticides (fungicide to be exact) kill fungus.
Like this: Pesticides are dangerous chemicals, they kill more than pests. However, your English teacher may appreciate one of these two revisions: A category of dangerous chemicals known as pesticides can kill more than pests. This next revision incorporates the addition of an appositive Pesticides, a variety of dangerous chemicals, kill more than pests.
Famers use pesticides the keep their crops healthy and to kill pests
Pesticides.
they kill pests
by organic pesticides.
by spraying pesticides on them.
Pesticides are used to keep away insects or other pests.
Common pesticides used to kill insect pests include organophosphates, carbamates, pyrethroids, and neonicotinoids. These pesticides work by disrupting the nervous system of insects, leading to paralysis and eventual death. Organic options like neem oil and insecticidal soaps are also used as alternatives to synthetic pesticides.