Discussion
The most important factor that influences the distribution of temperature on earth is :
Answer: B
The most important factor is insolation, the incoming solar radiation.
The Sun is the source of almost all the heat at the earth's surface. How much of its energy a place receives depends on the angle of the Sun's rays and the length of the day, which change with latitude. That is why temperature generally falls from the equator towards the poles, and insolation is treated as the primary control of the distribution of temperature.
Seasons are themselves a result of changing insolation over the year, so they are not the underlying factor. Crowded high-rise buildings and asphalt roads only raise temperatures locally, as in an urban heat island, and do not decide the temperature pattern of the earth.
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