With reference to the Earth’s atmosphere, which one of the following s

With reference to the Earth’s atmosphere, which one of the following statements is correct?

[amp_mcq option1=”The total amount of insolation received at the equator is roughly about 10 times of that received at the poles.” option2=”Infrared rays constitute roughly two-thirds of insolation.” option3=”Infrared waves are largely absorbed by water vapour that is concentrated in the lower atmosphere.” option4=”Infrared waves are a part of visible spectrum of electromagnetic waves of solar radiation.” correct=”option3″]