Environmental Science - Study Mode

[#116] __________ was developed after World War II.
Correct Answer

(C) Nuclear power

Explanation

Solution: Nuclear power was developed after World War II.

[#117] The term "Nuclear winter" is associated with
Correct Answer

(D) After effect of a nuclear explosion

Explanation

Solution: Nuclear winter is a severe and prolonged global climatic cooling effect hypothesized to occur after widespread firestorms following a nuclear war. The hypothesis is based on the fact that such fires can inject soot into the stratosphere, where it can block some direct sunlight from reaching the surface of the Earth.

[#118] Which of the following group of gases cause photochemical smog?
Correct Answer

(D) O 3 , PAN and NO 2

Explanation

Solution: O 3 , PAN and NO 2 cause photochemical smog.

[#119] Valuable, practical services that help to preserve ecosystem performed by nature are called
Correct Answer

(A) Ecosystem service

Explanation

Solution: Valuable, practical services that help to preserve ecosystem performed by nature are called ecosystem service.

[#120] Our seasons are caused by:
Correct Answer

The changing distance between the earth and the sun

Explanation

Solution: Our seasons are caused by the angle at which sunlight reaches the earth and the length of the daylight hours.