The Phanerozoic and Proterozoic Eons Were Both About 2

question 80

True/False

The Phanerozoic and Proterozoic eons were both about 2.3 billion years long.

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Definitions:

Alternative Medical Systems

Health care practices and products not traditionally recognized by mainstream medicine, such as acupuncture and homeopathy.

Psychological Factors

Refer to mental and emotional aspects that influence an individual's behavior and wellbeing.

Physical Factors

Environmental, biological, or chemical elements that can influence the physical condition and health of individuals.

Conventional Medicine

A system of medicine based on the diagnosis, treatment, and prevention of disease using drugs, surgery, and other interventions; also known as Western medicine.