What is latent heat and why is it such an important factor in the transfer of energy from the surface to the atmosphere?
What will be an ideal response?
Answer: Latent heat is the energy required to change the phase of a substance (water). On a global average basis, the amount of energy transferred to the atmosphere as latent heat amounts to 24 units, which makes latent heat considerably more important as a mode of heat transfer than sensible heat (5 units).
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A boxer punches a sheet of paper in midair and brings it from rest up to a speed of 40 m/s in 0.05 s. If the mass of the paper is 0.01 kg, the force of impact on the paper is about
A) 0.08 N. B) 0.8 N. C) 8.0 N. D) 80 N.
Scientists believe that some answers to proposed question will ultimately never be known
Indicate whether the statement is true or false
About 80 percent of the population lives within ________ mile(s) of Australia's coast
A) 1 B) 5 C) 12 D) 20
Summertime wildfires in California are fanned by:
A) Hadley circulations. B) the Santa Ana winds. C) the westerlies. D) katabatic winds.