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Environmental Science Questions and Answers (Q&A)

L.Steven
Answered: Jan 07, 2018
Chlorofluorocarbon has the greatest heat-trapping ability per molecule. Also referred to as CFCs, they are composed of carbon, fluorine, and chlorine. They are commonly referred to as Freon,...Read More

4 Answers

664 views
M. Kennedy, Web Content Writer
Answered: Oct 04, 2018
The answer to this is A. The use of this type of method can help reduce the number of carbon emissions that are released to the environment. A lot of times, this is the method that is most...Read More

2 Answers

481 views
F.Brian
Answered: Jan 29, 2018
Most of the Earth’s deserts are approximately 30 degrees both North and South. This fact is because these locations are characterized by descending dry air currents. Most deserts are hot...Read More

2 Answers

379 views
M. Kennedy, Web Content Writer
Answered: Jun 28, 2018
Out of all the greenhouse gases, it is chlorofluorocarbon that can be considered as the most popular. Chlorofluorocarbon is also known as CFC. This is known to trap heat. This explains why the...Read More

2 Answers

368 views
John Smith
Answered: Jul 11, 2020
B. Acid drainage due to leaching of spoil heaps by rainwater

2 Answers

364 views
John Smith
Answered: Jul 11, 2020
Human drinking water
2. Recreations
3. Livestock drinking water
4. Irrigation
5. Protection of aquatic life

1 Answer

349 views
John Smith
Answered: Jul 11, 2020
50% of the rat test pop. will survive if given 87mg/kg of body weight of DDT

1 Answer

344 views
John Adney
Answered: Mar 05, 2017
Over the past few hundred years, humans have increased the species extinction rate by as much as

2 Answers

324 views
Ka
Answered: Jul 11, 2020
E. The hot water tank in a solar hot water system

1 Answer

314 views
A. Daniels, Professor
Answered: Oct 09, 2018
The answer to this is D. It cannot be denied anymore that so many things have changed with the world. The world, in general, seems to be warmer. There is also more population in cities as...Read More

2 Answers

297 views
John Smith
Answered: Jul 11, 2020
PCB-consuming bacteria are sprayed on an area that has soil contaminated with PCBs

Containing waters rich in mineral and organic nutrients that promote a proliferation of plant life,...Read More

1 Answer

279 views
D is the answer to this question. Heavy metal is known to be highly toxic especially when it is exposed to the environment. One example of heavy metal is arsenic which is known to be very toxic...Read More

2 Answers

274 views
Alexacad
Answered: Jul 11, 2020
Decreased rate of photosynthesis in vegetation

1 Answer

266 views

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