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

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Definitions:

Microorganisms

Microscopic entities, including bacteria and viruses, that may cause infectious diseases but also play essential roles in ecosystems.

Ictotest

A diagnostic test used specifically for detecting the presence of bilirubin in urine, which can indicate liver damage or disease.

Bilirubin

A yellow breakdown product of normal heme catabolism. Its levels are elevated in certain diseases, and it is responsible for the yellow color of bruises and the brown color of feces.

Ammonia

A colorless gas with a distinct sharp smell, commonly used in cleaning products and as a fertilizer, and also produced naturally in the human body.