Because for the creature they're intended to kill they're poisonous.
Fertilizers, weedkillers, fungicides and pesticides can all be washed into nearby waterways by irrigation or rainfall.
leaching
These chemicals are called pesticides; see the link below for details.
the chemicals that eliminates plants are called herbicides, and pesticides eliminate pests
Rainwater dissolving pesticides when running off farm-land is the main cause.
Yes pesticides are some what bad because of what they do, they kill insects. They also go threw the ground and eventually end in water making pollution... Some of the insects that the pesticides kill are actually not going to hurt the plants that the pesticides are on in the first place. that means pesticides kill and pollute, does that sound very good. Pesticides are made from chemicals, bad ones at that and poison's in poison's out.
pesticides poison pests, but they can also poison other living organisms, or those who eat poisoned organism etc. also, farmers who don't use pesticides can sell their produce for more money as it is organic.
Pesticides are detrimental to any type of insects as they are, quite frankly, poison. Pesticides kill some insects, or interfere with the reproductive cycle, or prevent them from feeding safely.
Pesticides are sometimes called "BIOCIDES" because of their effects on living things.
vandalism
Toxiphobia - an exaggerated fear of poison or being poisoned A person suffering from this will believe that they will be poisoned by food either purposely or accidentally
Pesticides are bad for our health and can poison people if ingested, inhaled or absorbed through the skin in large amounts. For people with sensitive skin, allergies and asthma the reaction can cause a rash and breathing issues.
the poison tooth of a snake is called a thrike.
Urushiol
mistake lol ;)
1876 -the one
yes that is why it is called poison.