Q. Consider the following statements:

1. The depression formed by winds helps in formation of oasis.
2. Tafilalet Oasis in Egypt is a large oasis with an area of about 13,000 sq.km.

Which of the above is / are correct?
Answer: Only 1
Notes: Depressions are formed when the wind blows away the sand. In the depressions where underground water reaches the surface, an oasis is formed. These areas are fertile. People may settle around these water bodies and grow date palms and other crops. Sometimes the oasis may be abnormally large. Tafilalet Oasis in Morocco is a large oasis with an area of about 13,000 sq.km.