Where Oceanic Crust Is Cracked and Magma Is Emerging We

question 8

Multiple Choice

Where oceanic crust is cracked and magma is emerging we find:

• A) ridge systems.
• B) atolls.
• C) archipelagos.
• D) trenches.
• E) guyots.

---

Definitions:

Line Structure

A simplified representation of a chemical structure using lines to denote chemical bonds and avoiding explicit representation of carbon and hydrogen atoms.

Butanoic Acid

A carboxylic acid with the formula C4H8O2, also known as butyric acid, with a characteristic unpleasant smell, used in the manufacturing of various esters.

Propanoic Acid

A naturally occurring carboxylic acid with the formula C3H6O2, commonly used as a food preservative.

Valeric Acid

An organic compound with the formula C5H10O2, known for its unpleasant odor, used in the synthesis of esters for fragrance or flavoring.