通常係兩個地方比較
Country Y experiences higher temperature than City Z because Country Y receives a larger angle of the sun than City Z.
(1) Greater intensity of insolation
(2) Sun's ray concentrates on a smaller area
(3) Shorter path in the atmosphere
如果要annotated diagram就畫埋唔記很邊年marking scheme嗰幅地球sun's ray圖