The Study of the Layers of Rock and Soil Below

question 3

Multiple Choice

The study of the layers of rock and soil below the earth's surface is called

• A)geology.
• B)paleontology.
• C)catastrophism.
• D)stratigraphy.

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Definitions:

Free Oxygen

Atomic or molecular oxygen not bound to any other elements, often referring to atmospheric oxygen that is available for respiration.

Chemical Building Block

Basic components used in chemistry to synthesize more complex molecules.

Carbon Dioxide

A transparent, scentless gas that results from the combustion of carbon and organic materials and through the process of breathing. It exists naturally in the atmosphere and is taken in by plants during the process of photosynthesis.

Lysosomes

Membrane-bound organelles containing digestive enzymes, involved in the breakdown of cellular waste material and foreign substances.