Why Have Many Precambrian Rocks Only Gone Through the First

question 7

Multiple Choice

Why have many Precambrian rocks only gone through the first stage of the rock cycle?

• A) They are so old that they haven't had time to move past the first stage.
• B) They are protected within the interiors of the continents.
• C) They are only found in Antarctica and thus are not exposed to erosion.
• D) They are metamorphic rocks that are too hard to be transformed.

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Definitions:

Connective Tissue

Body tissue that supports, connects, or separates different types of tissues and organs in an organism.

Urinary

Related to the system in the human body that produces, stores, and expels urine.

Circulatory

Pertaining to the system that circulates blood and lymph through the body, comprising the heart, blood vessels, and lymphatic vessels.

Immune

Relating to or denoting the body's system of defense mechanisms against pathogens, including the production of antibodies and the activation of white blood cells.