Refer to the Data

question 106

Multiple Choice

Refer to the data. The value for Y is

• A)25.
• B)30.
• C)40.
• D)45.

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Definitions:

Oxidation

Oxidation is a chemical reaction in which a substance loses electrons, often resulting in rust in metals or changes in rock minerals due to exposure to oxygen and water.

Iron-bearing Minerals

Minerals that contain iron as a significant component, often influencing the rock's color and magnetic properties.

Rounded Pebbles

Small, smooth rocks that have been eroded and smoothed over time by water or other natural forces.

Shells

Shells are hard, protective outer layers created by animals, particularly mollusks such as snails, oysters, and clams, as a form of protection or body support.