Question

why do desert snakes burrow deep into the sand during the day​

Answer 1

Answer:

Desert snakes burrow themselves deep into the sand during the day to protect them from Sun heat

Answer 2

The desert has sand which gets heated up in the scorching sunlight during the daytime. Due to the lack of vegetation, there is no protection from the sunlight. The sand on the surface remains very hot during, so to get production from such heat, the snake burrows deep and remains there.