Environmental Science - Study Mode
[#821] Heat transferred outward from the surface of the moon can take place by:
Correct Answer
(D) Radiation
Explanation
Solution: In space, heat gets transferred by radiation. This is mainly in the infrared band of electromagnetic waves. Earth, gets heated up due to earth's atmosphere and also due to greenhouse effect.
[#822] Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:
Correct Answer
(D) Radiation
Explanation
Solution: Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the top of parked cars, even when the air temperature is above freezing. This happens because the tops the tops of the cars are cooled by radiation.
[#823] If very cold air is brought indoors and warmed with no change in its moisture content, the saturation vapor pressure of this air will______ and the relative humidity of this air will_____ .
Correct Answer
(C) Increase, decrease
Explanation
Solution: If very cold air is brought indoors and warmed with no change in its moisture content, the saturation vapour pressure of this air will increase and the relative humidity of this air will decrease.
[#824] Which of the following helps to explain why even though northern latitudes experience 24 hours of sunlight on June 22, they are not warmer than latitudes further south?
Correct Answer
Solar energy is spread over a larger area in northern latitudes
Explanation
Solution: All of the above
[#825] Ozone hole was first discovered in
Correct Answer
(B) Antarctica
Explanation
Solution: The discovery of the annual depletion of ozone above the Antarctic was first announced in a paper by Joe Farman, Brian Gardiner and Jonathan Shanklin which appeared in Nature in May 1985. Later, NASA scientists re-analyzed their satellite data and found that the whole of the Antarctic was affected.