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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

3 Answers

John Adney
Answered: Oct 24, 2017

Secondary Treatment because in the science in action 9 textbook first place to go is primary, second place to go is secondary and third place is tertiary.

1 Answer

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

1 Answer

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

1 Answer

John Adney
Answered: Jan 21, 2017
Since, the growth rate is constant
and in​​​1 year country current population is 100 million
therefore,in 40 year country population is 10040=400 millionRead More

1 Answer

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

1 Answer

John Adney
Answered: Apr 30, 2017
I don't understand why it is not also El Nina

1 Answer

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

1 Answer

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

1 Answer

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

1 Answer

Janetao
Answered: Jan 26, 2020
The systematic study of our environment and our place in it
A logical reasoning from observations to specific observations
Reasoning from many observations
The variable that...Read More

1 Answer

John Adney
Answered: Mar 30, 2017
I think it is a because a sounds more right than b

1 Answer

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