What makes the desert unique from other biomes.

Explanation:

Desert biomes are the driest of all the biomes. In fact, the most important characteristic of a desert is that it receives very little rainfall. Most deserts receive less than 300 mm a year compared to rainforests, which receive over 2,000 mm.

NASA

plants in it can grow in harsh conditions and store moisture within the plants itself

sciencing

c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.