Q. The permanent tilt of the earth's axis and the revolution of the earth in its orbit together cause:
I. deflection of winds and ocean currents
II. differences in time between places on different meridians
III. varying length of day and night at different times of the year
IV. changes in the altitude of the mid-day sun at different times of the year
I. deflection of winds and ocean currents
II. differences in time between places on different meridians
III. varying length of day and night at different times of the year
IV. changes in the altitude of the mid-day sun at different times of the year
β
Correct Answer: (C)
III and IV
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