The best reference to use will be AN ATLAS.
An atlas is a collection of maps. A map is a pictorial representation of an area of land or sea which shows all the physical features of that particular place. Many information about different places can be obtained from maps and these include the longitudes of different places.
Australia is smaller in land than Europe because Australia covered 7.686.850 km square and Europe is covered 9.940.000 km square
The answer is B - Rugged landscape of mountainous land
Landform
Climate and weather
Natural hazard