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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.
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Why is pesticides good?
Pesticides can cause some problems if people consume too many of them, but they can also be a good thing. The use of pesticides has made a lot more food available for people by getting rid of many of the insects that used to destroy the crops.
Which statement best describes the focus on the Rachel Carson's book Silent Spring?
America must be more responsible in the use of pesticides that harm the environment.
Which weighs more antifreeze perticides or gasoline in order?
Antifreeze, Pesticide then Gasoline. Antifreeze has to weigh right at as much as water to make sure they mix in the cooling system - no bubbling up. Pesticides are made from materials lighter than water but mixed with water as a medium, so they are lighter than antifreeze. Gasoline is very light (the lighter the fuel with the same energy content, the more efficient it is), it' lighter than water so it's definitely lighter than antifreeze. Since pesticides are mostly water, in all likelihood gasoline is lighter than the pesticides.antifreeze > pesticides > gasoline
Why would GM crops need less pesticides?
GM crops having disease resistant genes hence they are resistant to disease and pests so they not need more use of pesticide.
What does trend mean when referring to science projects?
A pattern of evolution in which direction of change is persistent over an appreciable span of time.
Persistent and non persistent pesticides differ?
Persistant pesticides last longer than non persistant pesticides. This means that they can build up in animals and humans and cause more damage.
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.
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 are dangers of pesticides?
Exposure. the are more dangerous to the applicator than anyone else.
Do natural or synthetic pesticides last longer?
Synthetic pesticides generally last longer than natural pesticides because they are designed to be more persistent. Natural pesticides, derived from plants or minerals, often break down more quickly due to their organic nature and are considered more environmentally friendly.
Why do animals at the end of a food web have more pesticides?
Pesticides are cumulative, so the animals at the end of the food web have more of them.
Which type of chemical agents when released can cause casualties for more than 24 hours to several days or weeks?
Chemical agents may be classified persistent, nonpersistent and dusty. Threat forces classify chemicalagents according to their effect on the body. They identify six major types--nerve, blood, blister,choking, psychochemical, and irritants.Persistent chemical agents are used to produce casualties (immediate or delayed). Immediate casualties occur when a person inhales the vapor. Delayed casualtiesoccur and is absorbed through the skin demonstrating the need for protective equipment.
What is more problematic to have persistent elevations in systolic or diastolic blood pressure?
A high Diastolic is more dangerous than a proportionate rise in Systolic blood pressure.
What is the comparative and superlative to the word dangerous?
More dangerous Most dangerous
What is biomagnification of pesticides?
Biomagnification of pesticides basically means that the concentration of the substance exceeds what it should be. This makes the pesticide more powerful and harmful.
Should pesticides be used to produce more food?
no because pesticides can also kill some crops, they are also harmful to the human body
What inventions which can be considered potentially detrimental to life or property?
There is a negative side to almost every invention ever made if it is examined closely enough. Some of the more dangerous ones are nuclear power, microwaves, pesticides and polycarbonate plastics.
