Assertion: Cold deserts too exist. e.g., Tibet, Gobi.
Reasoning:: Desert can be hot, e.g., Thar, Sahara.
Reasoning:: Desert can be hot, e.g., Thar, Sahara.
Answer & explanation
Correct answer: option 2
Desert can be cold (e.g., Tibet, Gobi) and hot (e.g., Thar, Sahara). The true desert is a place that has a rainfall of less than 12 cm/ yr while in extreme desert is less than 7 cm/ yr.