INDIAN GEOGRAPHY

Detailed explanation-1: -Deserts are found on every continent and cover about one-fifth of Earth’s land area. They are home to around 1 billion people-one-sixth of the Earth’s population. Although the word “desert” may bring to mind a sea of shifting sand, dunes cover only about 10 percent of the world’s deserts.

Detailed explanation-2: -Australian Desert Other than Antarctica, Australia is the driest continent in the world. Around 35% of the continent receives so little rain, it is close to being classed as a desert.

Detailed explanation-3: -The plateaus, mountains, plains and extensive deserts of the continents are the example of the landforms of second order on the continents. (iii) Plains. (i) Hills and Mountains: Hills and mountains are high and lofty masses covering large areas of the earth’s surface.