A Crustal Rock Dated to 150 Ka Is How Old

question 57

Multiple Choice

A crustal rock dated to 150 Ka is how old?

• A)150 thousand years
• B)150 million years
• C)150 billion years
• D)150 zillion years

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Definitions:

Protective Covering

A layer or structure that serves to shield or guard an organism or part of an organism from harm or injury.

Eyeball

The spherical part of the eye that contains the optic structures and is responsible for vision.

Sclera

The white outer layer of the eyeball, providing protection and structure.

Nasolacrimal Duct

The passageway that drains tears from the eye into the nasal cavity, allowing for tear drainage.