(i) Why are latitudes also called parallels of latitude?

(ii) Why are all the lines of longitude of the same length?

Give a geographical reason for each of the following:

1. Great circles are the shortest routes between two places.
2. The Earth is a habitable planet.
3. Kuala Lumpur rotates faster on the Earth’s axis than London.

Draw a neat labelled diagram showing the position of the Earth during solstice.

What is the composition of the earth's crust?