The correct options are
A Rajasthan is located in a desert region of the country.
C In Rajasthan, temperatures often exceed 40°C during the summer.
D In Rajasthan, buildings are built with flat roofs.
The state of Rajasthan is located to the West, in the desert region of the country. Temperatures often exceed 40°C during the summer months. Buildings in the state are constructed with flat roofs to help cool the interiors. They allow for the collection and retention of rainwater. People in the rural areas of Rajasthan live in buildings made of soil and grass.