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Q. The principle of reducing waste, reusing and recycling resources and products is often called:
(A) Waste management Principle
(B) “3Rs” Principle
(C) Recycle Principle
(D) Environment Principle
Answer: (B) “3Rs” Principle
Q. ________ is a permit that allows the company that holds it to emit a certain amount of carbon dioxide or other greenhouse gases:
(A) Carbon trade
(B) Carbon credit
(C) Carbon print
(D) None of these
Answer: (B) Carbon credit
Q. Mixture of gases and tiny dust particles in atmosphere is called:
(A) Fog
(B) Air
(C) Oxygen
(D) None of these
Answer: (B) Air
Mixture of gases and tiny dust particles in atmosphere is called Air.
Q. Temperature at which air must be cooled in order to become saturated is:
(A) Minimun temperature
(B) Freezing point
(C) Dew point
(D) None of these
Answer: (C) Dew point
Q. When frost forms:
(A) when an outside surface cools past the dew point
(B) water vapours change into ice without becoming liquid
(C) below the dew point
(D) All of above
Answer: (A) when an outside surface cools past the dew point