Give a geographical reason for each of the following:

(i) The length of day and night is not equal at all places on the earth.
(ii) The period of twilight and dawn increases polewards.
(iii) 25th of December in New Zealand may be one of the hottest days of the year.

Describe how seasons are made and reversed between the Northern and Southern Hemispheres.

Draw a well labelled diagram to show inclination of the earth on its axis.

Describe how the duration of sunlight changes from the Equator to the Poles with respect to the angle of incidence during the solstices.