The Earth's Circumference Was First Determined By

question 28

Multiple Choice

The Earth's circumference was first determined by:

• A)Aristotle using lunar eclipses.
• B)Pythagoras with geometry.
• C)Hipparchus with stellar parallaxes.
• D)Erastothenes with solstice shadows.
• E)Aristarchus with first and third quarter Moon timings.

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Definitions:

Nerve Impulses

Bioelectric signals that transmit information along the nerve fibers, facilitating communication between different parts of the body.

Parkinson's Disease

A degenerative disorder of the central nervous system, marked by tremors, muscular rigidity, and slow, imprecise movement.

Muscle Rigidity

A condition characterized by stiffness and inflexibility of muscles, often associated with various neurological and psychiatric disorders.

Meninges

The three membranes that envelop the brain and spinal cord, providing protection and structural support.