Figure 1 is a schematic diagram of the earth's revolution, in which ① ② ③ ④ indicates the positions of two or four solar terms on the orbit of revolution respectively, and Figure 2 indicates the strai

Figure 1 is a schematic diagram of the earth's revolution, in which ① ② ③ ④ indicates the positions of two or four solar terms on the orbit of revolution respectively, and Figure 2 indicates the straightness of the sun. (1) The days are short and the nights are long; The days are getting longer and the nights are getting shorter and shorter.

(2) Answer

(3) 12 is less; Northwest; Asian high

(4) Tropic of Cancer and its north; southern hemisphere