Which of the following statements regarding insolation is/are <strong>correct</strong>?<br>1. Insolation is predominantly short-wave radiation, with wavelengths in the range of 0.39 micrometre to 0.76 micrometre.<br>2. Insolation is evenly distributed across the Earth because of the Earth's curved surface.<br>Select the correct answer using the code given below.

  1. A. 1 only
  2. B. 2 only
  3. C. Both 1 and 2
  4. D. Neither 1 nor 2

Correct Answer: A. 1 only

Explanation

Insolation comprises predominantly short-wave solar radiation. Statement 2 is incorrect because the Earth's curvature causes insolation to be unevenly distributed, with higher intensity near the equator and less at the poles.

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