Question

Question:

Answer 1

Which of the following best summarizes the main causes of water pollution today? (1 point)

increased runoff, driving, discarded oil
evaporation, new construction, overpopulation
waste from wildlife, decaying vegetation, automobiles
leaking septic and sewer systems, manufacturing, farming
I go with D

Answer 2

should be D.

Answer 3

thanks ;)

Answer 4

Which of the following is the best explanation as to why a combination of renewable energy resources will be necessary to replace fossil fuels? (1 point)

Alternative energy sources have higher than average operating costs.
Electricity generated by alternative fuels has a very low electrical current.
Society is skeptical on some of the alternative energy sources so a variety is necessary.
One alternative source is unable to meet the demand because of each source's limitations.

I said D ;)
14. [08.04]

Which of the following most correctly predicts the impact on the environment if sustainable practices are not followed? (1 point)

The ecosystems of the world will be uniformly damaged, but they will rebound quickly.
Natural resources will be depleted, and the negative impact may be too severe to recover.
The environment will not be adversely affected because the ecosystem of the world is too large.
Rain forests will be depleted, but the oceans will be preserved because of their geographical isolation.

I said B

Answer 5

after these two I have two more. thank god :DDDD

Answer 6

14. is B

Answer 7

thank you!

Answer 8

and the fist one D.

Answer 9

:) merci