Igneous Rock Is Formed ________

question 79

Multiple Choice

Igneous rock is formed ________.

• A) by the weathering of preexisting rocks
• B) by changes in mineral composition
• C) at great depth within Earth
• D) by crystallization of molten rock

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Definitions:

Amino Acids

Natural substances that merge to create proteins, acting as essential components of life with diverse roles in metabolic processes.

Polypeptide Chain

A sequence of amino acids linked by peptide bonds, forming the primary structure of proteins.

Cholesterol

A waxy, fat-like substance found in all cells of the body, which is necessary for making hormones, Vitamin D, and substances that help digest foods.

Prostaglandins

A group of physiologically active lipid compounds having diverse hormone-like effects in animals.