The Formation of Our _______________ Occurred About 4

question 19

Short Answer

The formation of our _______________ occurred about 4.6 billion years ago.

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Definitions:

Validity

The degree to which a method, test, or measurement accurately reflects what it is intended to assess.

Quechua Indians

Indigenous people living in the Andean highlands of South America, especially in Peru, known for their rich cultural traditions and language.

Developmental Adaptation

A process by which an organism changes over time in response to its environment in ways that are beneficial for its growth, survival, or reproduction, often considered in the context of physiological or psychological changes.

Right Heart Ventricle

The right ventricle is one of the four chambers of the heart, responsible for pumping deoxygenated blood to the lungs through the pulmonary artery.