Which of the following statements about sewage treatment facilities in the indus

Question

Which of the following statements about sewage treatment facilities in the industrialized world is true?

A-Sewage treatment facilities generally remove solids but do not remove any pathogenic bacteria.

B- Sewage treatment facilities generally work well except in times of flooding.

C-Most industrialized countries do not require the use of sewage treatment facilities and allow the discharge of raw sewage into the ocean.

D-Sewage treatment facilities remove pathogenic bacteria but do not remove solids.

Which of the following statements about ocean water is true?

A-Carbon dioxide from the ocean is diffusing into the atmosphere at a greater rate than it did 200 years ago.

B-Ocean water has become more acidic over the past two hundred years because of fossil fuel combustion.

C-The ions in ocean water make it 30% more acidic than pure water.

D-The burning of fossil fuels has resulted in a lower concentration of H in ocean water

Explanation / Answer

Answer is B- Sewage treatment facilities generally work well except in times of flooding.

B- Sewage treatment facilities generally work well except in times of flooding; this statement about sewage treatment facilities in the industrialized world is true.

Flooding can disturb the sewage treatment system then this system can be affected by flooding, If flooding occur there will be uncontrolled of water flow occur then most toxics mixed with water.

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