The Two Most Common Elements in the Crust of Earth

question 22

Multiple Choice

The two most common elements in the crust of Earth are ____________.

• A) iron and calcium
• B) magnesium and manganese
• C) oxygen and hydrogen
• D) oxygen and silicon

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Definitions:

Urban Areas

Regions characterized by high human population density and vast human-built features in comparison to areas surrounding it.

Musical Talent

An inherent or developed ability to create, perform, or understand music at a high level.

Left Side

refers to the portion or direction that is on or to the left of an object or an organism when facing forward.

Left Side

Referring to the left half or region of an object, body, or space, often associated with creativity and intuition in pop psychology.