(a) Highlight any three effects of either rotation or revolution of the earth (b) Give reasons why: (i) all areas north of the Arctic Circle have twenty fou...

(a) Highlight any three effects of either rotation or revolution of the earth

(b) Give reasons why:
(i) all areas north of the Arctic Circle have twenty four hours of daylight on June 21
(ii) areas within the tropics have more sunshine than areas outside the tropics