Question

Why does the temperature increase as we go down(underground)?​

Answer 1

Explanation:

because below us there is lava which is verrrrry hot.

Answer 2

As we go down into the earth, the temperature increases. Temperature increases due to the gas and pressure present inside the surface of the earth. The temperature increases because we go near to the core of the earth which is metallic and hotter.

By - @WeedAfterBrainly