C. Nuclear to be honest, I don’t know, but I think this is the answer.
Answer:
C. Tension due to cooling of flow,
Explanation:
- These joints on the basaltic rocks through occurring in moistly igneous rock types, created by lava and ash flow. Some Of the famous Columnar joints are found in places like Devil tower, Giant Causeway, and Deccan Traps, etc.
- Upon cooling these forms These are arranged in regular angles and straight columns.
- And the irregular array is termed as entablature. These condense to form various forms in nature through the cooling and spreading of lavas.
