Which central asian desert is known for the canal that travels through it and that supports irrigation and farming? a. the pamirs b. the karakum c. the kyzylkum d. the tian shan

Choice (b) is correct. Karakum desert has the largest canal and can be found in Central Asia, particularly in Turkmenistan. It serves as an irrigation and extended up to the Caspian Sea. 

Choice (a) is incorrect because it is a mountain located in the Himalayas.
Choice (c) is incorrect because it is a desert but situated between two rivers, the Amudarya and Syrdarya.
Choice (d) is incorrect because it is a mountain located in Central Asia and its range traverse 3 countries, Kyrgyzstan, Kazakhstan, and China.

The Karakum is the Central Asian desert known for the canal that travels through it and that supports irrigation and farming.

Explanation:
The Karakum canal is located in Turkmenistan having different kinds of soil. It is affected by irrigation and rivers that carry sand. It was created out of sandy river deposits. The Karakum canal is noted for being one of the world's largest irrigation systems.

Where are the choices?