Which of the following best describes why ddt is classified as a persistent organic pollutant_

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Jul 09, 2012 · Some organic pesticides are the most widespread POPs (Persistent Organic Pollutants) used in agriculture worldwide. Other POPs such as volatilized industrial pollutants as well as pollutants from fuel combustion can also contaminate large areas due to dispersion by wind and rainfall. * Global warming is defined by the American Heritage Dictionary of Science as “an increase in the average temperature of the Earth’s atmosphere,” either by “human industry and agriculture” or by natural causes like the Earth has “experienced numerous” times “through its history.” Which classes of stylistically marked words should be included in the students' functional vocabulary? KEY TERMS. 1. A word as a fundamental unit of language. The term system as used in present-day lexicology denotes a set of elements associated and functioning together according to certain laws.The pollution of air and the world's ocean, destruction of the ozone layer is the result of man's careless interaction with nature, a sign of ecological crises. The most horrible ecological disaster befell Belarus and its people in the result of the Chernobyl tragedy in April 1986.

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Persistent organic pollutants (POPs) are carbon-based chemicals that have the following characteristics: They last for many years in the environment. This is the 'persistent' part of persistent...
When a constable appeared and asked her and her guests to quiet down, Mrs. Robinson allegedly swore at him so violently that he arrested her, and a local justice of the peace committed her to jail.
Question: Why should we study the Arctic? Answer: It's generally a very clean region because Answer: One of the things that has been of great interest in the last few years is why the snow and Businesses take advantage of consumers' mentality of 'following the stars' and invite celebrities and...
Persistent Organic Pollutants: Sources, Sampling and Analysis. Persistent organic pollutants (POPs) are carbon-based chemical compounds and mixtures that, to a varying degree, resist DDT is a pesticide still used in malaria vector control in some countries. On the other hand, POPs can be...
Pollutants can be classified as either primary or secondary. Primary pollutants are substances directly emitted from a process, such as ash from a Some of these are regulated in USA under the Clean Air Act and in Europe under the Air Framework Directive. A variety of persistent organic...
Water discharge with organic matter Persistent: Actions that occur in the environment has a long term influence. Spills or emissions of certain substances Local Impact: The effect is located nearby the activity or where the action takes place. Ex:Noise produced in a highway
Which of the following best describes why DDT is classified as a Persistent Organic Pollutant?... 2 answer(s) · Advanced Placement (AP) We can calculate that a country would lower its arithmetic density by A. Increasing the size of its population B. Increasing the amount of agricultural land C. Limiting the size of...
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Translations in context of "persistent organic pollutant" in English-Spanish from Reverso Context: A In the rest of the countries, data available on persistent organic pollutant sources and levels are A total of eleven chemical alternatives to DDT were assessed for persistent organic pollutant...
Vocabulary skills are an asset to, but not a substitute for, reading skill. If your particular interest has confined your reading to a specific subject area, such as one period of history, a natural science, or one type of literature, you will find that your vocabulary would have become specialized.
The Stockholm Convention on Persistent Organic Pollutants is a multilateral treaty to protect human health and the environment from chemicals, known as POPs. POPs have harmful impacts on human health or on the environment.
Sep 13, 2009 · The term "asbestos" refers to six fibrous minerals that have been commercially exploited and occur naturally in the environment. The U.S. Bureau of Mines has named more than 100 mineral fibers as "asbestos-like" fibers, yet only six are recognized regulated by the U.S. government.
1,2-Dibromo-3-chloropropane is a persistent pesticide and groundwater contaminant associated with male sterility and severe reproductive toxicity; historically used as a soil fumigant on bananas and pineapples; banned by EPA in early 1980s. Organic Chemicals: 1,2-Dichloroethane
Trees help prevent water pollution. Trees reduce runoff by breaking rainfall thus allowing the water to flow down the trunk and into the earth below the tree. Neighborhoods and homes that are barren have shown to have a greater incidence of violence in and out of the home than their greener...
As a result of its tendency to dissolve in fats, DDT can build up in the fatty tissues of animals that are exposed to it. This accumulated build-up is known as bioaccumulation, and DDT is described by the EPA as a persistent, bio-accumulative toxin.
Dec 23, 2014 · Both DDT and its breakdown products DDE and DDD are highly persistent in the environment. In the soil, DDT, DDE, and DDD can persist ≥ 40 years (ATSDR 2002). In addition, DDT and its breakdown products are highly lipophilic and have the potential to bioaccumulate in the fat tissue of exposed animals (Anderson 1985).
Nov 01, 2001 · Mercury TMDL. The current 303(d) list includes the receiving water as impaired by mercury, due to high mercury concentrations in the tissue of fish from the Bay. Methyl-mercury is a persistent bioaccumulative pollutant.
In summary, your best bet for selecting certified organic foods is to choose foods that state "100% Organic" on the front of the packaging. If you are purchasing whole fruits and vegetables in the produce section of the grocery and the foods are labeled as organic, that's just as good!

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Persistent bioaccumulative toxic contaminants are a class of substances comprising primarily synthetic chemicals designed and manufactured to meet a wide range of industrial, agricultural, or residential needs. Because they are persistent and bio-accumulative, they are cause for concern when released into the environment.
Identify the period of the following Latin borrowings; point out the structural and semantic peculiarities of the words from V. In the following sentences find examples of Latin borrowings; identify the period of borrowings. As a matter of fact, they are — if we regard them in the light of present-day English.
Persistent Organic Pollutants (POPs) waste. These are described below with reference to their respective Basel and NEPM codes in parentheses). Figure 1: 1,500,000 t1,000,000 t500,000 tNEPM Waste CodeWaste quantity (tonnes)Hazard score (1-6)Hazardous relative waste hazard versus quantity in 2013
For every pollutant expected to be discharged, the applicant shall briefly describe the reasons the pollutant is expected to be discharged, and report any quantitative data for the pollutant. (f) Each applicant shall report qualitative data, generated using a screening procedure not calibrated with analytical standards, for 2,3,7,8 ...
Follow Us. To better understand the problem and what we can do about it, here's an overview of what water pollution is, what causes it, and how we can protect ourselves. Litter, sewage, plastic, and other pollutants do more than just ruin the beauty of the beach.
Aug 18, 2011 · Pollution is the introduction of harmful materials into the environment.These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash.They can also be created by human activity, such as trash or runoff produced by factories.
Which of the following best explains why a rush of marketers now participate in established online From this description, which of the following is the best way to describe Shane? A marketing research company asked members of a focus group to describe several motorcycle brands as animals.
Although Huun-Huur-Tu is the best-known group of traditional Tuvan Throat Singers, there's another Tuvan who has taken the art down a different path. As a result — and frankly, without much effort — I found myself feeling neutral, perhaps even about the prospect of visiting a glacier in Patagonia.
Pesticide definition, a chemical preparation for destroying plant, fungal, or animal pests. See more.
pollutant means a substance or group of substances in accordance with Annex 2; f. release means the introduction of pollutants into the air, the water or the land either deliberately or accidentally, directly or through sewer systems without final waste-water treatment, in particular by spillage, emission, discharge, injection, disposal or dumping;
(a) Explain why, a food chain usually cannot have more than three or four steps. (b) Calculate the amount of energy that will be available to big fish in the following food chain, if 10,000 J of energy is available to small algae from the sun : Small algae → Zooplankton → Fish → Big fish
Why? · What do you think about GMO (genetically modified organisms) vegetables? o Is it better to use natural food although it might not produce as Despite of the negative effects, adults can take advantage of computer in different areas of education. For instance, it can be used to play video, mp3.
The Toolkit is divided into five main modules, as described below. Figure 1 illustrates how the content of the modules fits into the overall approach to POP-contaminated site management recommended by this Toolkit. Module 1, Policy and Legal Issues,
Bioaccumulation and biomagnification are two different processes that often occur in tandem with one another.Bioaccumulation is the process by which toxins enter the food web by building up in individual organisms, while biomagnification is the process by which toxins are passed from one trophic level to the next (and thereby increase in concentration) within a food web.
Water discharge with organic matter Persistent: Actions that occur in the environment has a long term influence. Spills or emissions of certain substances Local Impact: The effect is located nearby the activity or where the action takes place. Ex:Noise produced in a highway

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