which of the following is an example of persistent pollutant course hero

What is the persistence of both natural and synthetic pollutants?

Nov 19, 2017 · 12 . Which of the following is considered a persistent pollutant ? A. phenol. B. organophosphates. C. DDT. D. PCBs. E. DDT and PCBs. 13 . New environmentally friendly green bullets will soon be used by the U.S. Army because the old bullets.

How long do persistent pollutants remain a threat to human health?

6 what is the persistence of a pollutant distinguish. School Virginia Tech; Course Title ENSC MISC; Type. Notes. Uploaded By JudgeComputerQuail8188. Pages 3 This preview shows page 2 - 3 out of 3 pages. View full document. See Page 1 ...

What causes high levels of air pollution in coastal ecosystems?

Mar 26, 2015 · Which of the following is an example of a persistent organic pollutant? Student Response Value Correct Answer Feedback A. lead 100% B. GMO C. sulfite D. radiation Score: 2/2 Comments: View Attempt ... 13 of 15 11/20/2012 8:33 PM

What was the most common source of pollution during the 18th century?

21 . The atmospheric pressure at earth‟s surface close to the sea level averages 760 mm of Hg.If a man lives at an altitude of 13000 feet above the sea level for few years , …

What is secondary pollutant?

A secondary pollutant is one that: is created from a primary pollutant through chemical reactions in the environment. High levels of nutrient runoff in the Mississippi River watershed cause:

What are the sources of organic waste?

Sources of organic wastes include all of the following EXCEPT: pesticides. In order for septic tanks to effectively treat domestic wastewater in rural areas, they must be: connected to a drain field where physical and biological processes purify the water. pH is a measure of: hydrogen ion concentration.

What are the benefits of phytoremediation?

A benefit of using plants in phytoremediation of soils polluted with heavy metals is that: the volume of waste produced is a fraction of the volume of waste if the soil was to be removed and treated. A secondary pollutant is one that : is created from a primary pollutant through chemical reactions in the environment.

What are some examples of waterborne diseases?

One of the most common causes of waterborne disease in humans in the U.S. is caused by: Giardia. Tapeworms, flukes, and roundworms are examples of: helminthes. The body's initial protection against food-borne microbial contamination is/are: Answer.

What is the neural plate?

The cells of the neural plate make up the nervous system. In normal development, they fold back onto themselves in order to create what is called the neural tube, which then becomes the back bone and the spinal cord. After a number of transformations, the superior pole eventually becomes the brain.

When does the neural tube develop?

The neural tube develops during the first months of pregnancy and having enough folic acid is essential to proper development. Generally neural tube defects occur about 25 days after conception. The cells of the neural plate make up the nervous system.

Why is folate important for babies?

In a short paragraph or two, explain the importance of folate (folic acid) and it's role in reducing the risk of neural tube defects. It is important to have folic acid in your system during the early stages when your baby's brain and spinal cord are developing. It also reduced the change of your baby having a neural tube defect.