Statement I : Insolation is greatest when the sun is directly overhead and the sun's rays are vertical.
Statement II : When the sun is lower in the sky, the same amount of solar energy spreads over a greater
area of ground surface, so insolation is lower


(a) Both the statement are individually true and Statement II is the correct explanation of Statement I.
(b) Both the statements are individually true but Statement I is not the correct explanation of Statement I.
(c) Statement I is true but Statement II is false.
(d) Statement I is false but Statement II is true.