*Deserts have low rainfall, scanty vegetation, and extreme temperatures, and they can be hot or cold.
*Although water is important for life and deserts have very little water, many plants and animals live in the deserts.
*People are found living in almost every desert, because they have adapted to the ways of life in the deserts. And although most of them are hunter-gatherers, some also practise agriculture where water is available.
*life in the deserts (case studies: Sahara and Ladakh)