Columnar Joints Form When ________

question 41

Multiple Choice

Columnar joints form when ________.

• A) a lava flow cools very rapidly,causing the flow to shatter in a chaotic pattern
• B) a lava flow encounters groundwater,which causes the flow to rapidly fracture
• C) a lava flow erupts under deep water
• D) during the final stages of cooling,a lava flow contracts,forming tall polygonal fractures

---

Definitions:

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance that is essential for most forms of life and is the most widely used solvent.

Works Against Gravity

Describes processes or mechanisms that move materials or energies in a direction opposite to the force of gravity, often requiring additional energy input.

Water Cycle

The continuous process by which water moves from the Earth's surface to the atmosphere and back, involving processes like evaporation, condensation, precipitation, and infiltration.

Transpiration

The process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released into the atmosphere.