The First Folding of the Area That Is Now the Appalachian

question 42

True/False

The first folding of the area that is now the Appalachian Mountains occurred in the Ordovician.

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Definitions:

Pigment

A substance that provides color to other materials, such as paint or the cells in our body.

Red Blood Cell

A type of blood cell that is primarily responsible for transporting oxygen from the lungs to the rest of the body, also known as an erythrocyte.

Rhesus Antigen

A protein substance found on the surface of red blood cells in most people, determining the positive or negative aspect of blood type and important in blood transfusions.

Protein

A macromolecule composed of amino acids crucial for the structure, function, and regulation of the body's tissues and organs.