1.Atmosphere is heated by multiple sources. Which one of the following is the ma
ID: 3501918 • Letter: 1
Question
1.Atmosphere is heated by multiple sources. Which one of the following is the main factor for direct atmospheric heating?`
A
conduction of energy from the Sun
B
shortwave radiation from the Sun
C
convection of energy from the Earth
D
longwave radiation from the Earth
E
ultraviolet energy from the Sun
2. Isotherms can be deflected by ocean currents. Which one of the following is correct?
A
Cool ocean currents deflect isotherms poleward
B
Warm ocean currents deflect isotherms towards the equatorward
C
Cool ocean currents deflect isotherms along the meridians
D
Warm ocean currents deflect isotherms along the latitudes
E
A and B are correct
F
C and D are correct
3.In general, winter in the Southern Hemisphere is milder than the Northern Hemisphere. Why?
A
there is more direct sun light in Southern Hemisphere
B
there is more water in the Southern Hemisphere
C
the days are longer in the Southern Hemisphere
D
the ocean currents are warmer in the Southern Hemisphere
E
the distance between Sun and Earth is closer in the Southern Hemisphere
4.On the Earth, certain ocean surfaces have persistent upwelling of cold water. Which one of the following is such a place?
A
middle Atlantic Ocean
B
middle Pacific Ocean
C
coasts in subtropical area
D
thermospherecoasts in the polar region
E
coasts in the middle latitude
Explanation / Answer
1. The correct answer is Option A. The main factor for direct atmospheric heating is shortwave radiation from the sun.
2. There seems to be something wrong with the options. This because warm currents cause isotherms to be deflected toward the poles, whereas cold currents cause an equatorward.
3. The correct answer is Option E. The distance between Sun and Earth is closer in the Southern Hemisphere.
4. The correct answer is Option C. Coasts in the subtropical area have persistent upwelling of cold water.
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