Which of the following are the factors that cause variation in the amount of insolation on the Earth ? 1. Rotation of the earth on its axis 2. Length of the day 3. Distribution of land and water on the earth Select the answer using the code given below:
- A.1 only
- B.1 and 2 only
- C.2 and 3 only
- D.1, 2 and 3
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The rotation of the Earth and the length of the day change how much sunlight a place receives, while the spread of land and water changes only how that energy heats the surface.
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