Environmental Science - Study Mode

[#661] Atmospheric ozone layer which protect us from UV-B and C is getting depleted most by addition of
Correct Answer

(A) chlorofluorocarbon

Explanation

Solution: Atmospheric ozone layer which protect us from UV-B and C is getting depleted most by addition of chlorofluorocarbon.

[#662] Which of the following green house gases trap more heat?
Correct Answer

(D) Trifluoro methyl sulphurpentafluoride

Explanation

Solution: Trifluoro methyl sulphurpentafluoride trap more heat.

[#663] The most abundant gas in the stratosphere is:
Correct Answer

(B) Nitrogen (N 2 )

Explanation

Solution: The atmosphere contains many gases, most in small amounts, including some pollutants and greenhouse gases. The most abundant gas in the atmosphere is nitrogen, with oxygen second. Argon, an inert gas, is the third most abundant gas in the atmosphere.

[#664] Acid rain mainly result from
Correct Answer

(A) Sulfur dioxide

Explanation

Solution: Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids. ... Nitrogen oxides can also be produced naturally by lightning strikes, and sulfur dioxide is produced by volcanic eruptions.

[#665] Animals that feed only on plants are called
Correct Answer

(B) herbivores

Explanation

Solution: Animals that eat only plants are called herbivores (or primary consumers). Animals that eat other animals are called carnivores.