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Persistant pesticides last longer than non persistant pesticides. This means that they can build up in animals and humans and cause more damage.
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How do persistent and non-persistent pesticides differ?
Non-persistent pesticides are compounds that break down quickly in the environment. Several different classes of pesticides make up this group: • Cholinesterase-inhibiting pesticides, which includes the organophosphates and carbamates • Chlorinated phenols • Herbicides • Pyrethroids • Fungicides • Repellents Non-persistent pesticides became widely used after persistent organochlorine pesticides were banned from manufacture and use in the United States in the 1970s. Non-persistent pesticides are less harmful to the environment because they do not build up but they have to be applied more often to households and crops to be effective.
Why are non-persistent pesticides more dangerous than persistent pesticides?
Non-persistent and persistent pesticides are equally dangerous, but non-persistent has immediate impacts whereas persistent pesticides wield long-term effects.Specifically, non-persistent pesticides include the super-powerful organophosphate malathion. They may impact people and wildlife for hours to weeks until they degenerate. In contrast, chlorinated hydrocarbons represent prime examples of persistent pesticides which survive for months to decades in the environment.It is the difference between immediate, sudden death or disability and long-term, protracted fatalities.
Difference between non-persistent and p-persistent csma?
Non-persistent is deferential, while 1-prisistent is selfish.In non-persistent CSMA if the medium is busy, there will be a random delay for retransmission. This reduces the probability of collisions, but wastes the capacity.In 1-persistent CSMA if the medium is busy, the channel will be sensed until it is idle, then it will transmit immediately. This means that collisions are almost guaranteed to occur.
What is a non persistent pollutant?
the opposite of a persistant pollutant.
What are some differences between persistent and non persistent pollutants?
Persistant breaks down slowly is easy to die down. non-persitant breaks down fast and is hard to get rid of.
How do you make object persistent?
Persistent objects exist even after the program exits. They are persistent because they reside inside non RAM memory or ROM memory. Eg: Object variables used to create for an application or an user session.
What is the medical term meaning persistent eating of non-nutritional substances such as clay?
Pica is the medical term meaning persistent eating of non-nutritive substances such as clay, starch, or cigarette butts.
Distinguish between persistent and non persistent CSMA?
Pesistentent CSMA sense the channel continuously where as non pesistent CSMA resense the channel after a time decided randomly or based on probabilistic work----- Sanjay Bhaumick
What did Gandhi do that made him persistent?
His principle of non-violence through Satyagreh and Fasting
What is latent infection?
non persistent infection without symptomatic relapses and remission
What advantage does an entity bean have over a session bean?
An entity bean represents non-persistent data.
What is delusional thinking?
Delusional disorder ( delusional thinking) is characterized by the presence of recurrent, persistent non-bizarre delusions.
