What are the disadvantages of the thar desert

The desert has the driest climate among all biomes, receiving less than 20 inches of rainfall each year. this is one thing i hope its right 

List the sentences. keep in mind when you use sarcasm you are saying one thing in a tone to make it clear you are joking. like for instance, pretend you get a math test from your teacher. you’d most likely say, “oh yay.. a math test.” but you’d have the tone to give it the “oh come on” feeling. does this at all?