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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:
- Stomach poison (via ingestion)
- Fumigants (via inhalation)
- Neuro-toxins (via ingestion or inhalation)
- Metabolic disruption (via ingestion or inhalation) - here the product works by preventing some part of the natural life-cycle of the insect - e.g. preventing it from pupating, this is a slower action than other pesticides.
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Are pesticides harmful?
They are to pests.
What do pesticides do.what would happen if they get into the river?
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.
What is the meaning of quick action pesticide?
Pesticides are chemicals which kill pests, generally insect pests. "Quick action" pesticides kill bugs quickly.
How can i combine these sentences - pesticides kill more than pests pesticides are dangerous chemicals?
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.
What is the purpose of peticides?
The purpose of pesticides is to kill pests.
How are pests manage on organic farms?
by organic pesticides.
These are sprayed on crops to protect them against pests?
Pesticides.
How are pesticides harmful to animals people?
they kill pests
Why do famers use pesticides?
Famers use pesticides the keep their crops healthy and to kill pests
What pesticides are used to kill insect pests?
Pesticides are used to prevent, kill and repel pests. The pesticides used to kill insects are attractants, fumigants, insecticides, pheromones and repellents.
Which fungus kills pesticides?
Fungus does not kill pesticides, pesticides (fungicide to be exact) kill fungus.
How do you kill pests like ants and fles?
by spraying pesticides on them.
