Environmental Science - Study Mode

[#146] Incineration of Municipal waste involves
Correct Answer

(A) Oxidation

Explanation

Solution: Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials. Incineration and other high-temperature waste treatment systems are described as "thermal treatment". Incineration of waste materials converts the waste into ash, flue gas and heat.

[#147] The 3 R principle in waste management involves
Correct Answer

(B) Reduce, Reuse, Recycle

Explanation

Solution: The 3 R principle in waste management involves
Reduce, Reuse and Recycle.

[#148] Which of the following processes acts to remove carbon dioxide from the atmosphere?
Correct Answer

(C) Photosynthesis

Explanation

Solution: Photosynthesis removes CO 2 from the atmosphere and replaces it with O 2 . Respiration takes O 2 from the atmosphere and replaces it with CO 2 .

[#149] All food chains starts with __________ and ends with decay.
Correct Answer

(C) Photosynthesis

Explanation

Solution: All food chains starts with photosynthesis and ends with decay.

[#150] The biosphere encompasses the total __________ of living material in a region or the globe.
Correct Answer

(D) Weight

Explanation

Solution: The biosphere encompasses the total weight of living material in a region or the globe.