The Dwarf Planet Named Eris Orbits the Sun with a Semimajor

question 82

Multiple Choice

The dwarf planet named Eris orbits the Sun with a semimajor axis of 68 AU.Using Kepler's third law, Eris's orbital period is

• A) 26 years.
• B) 130 years.
• C) 72 years.
• D) 240 years.
• E) 560 years.

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Definitions:

Broca's Area

A region in the frontal lobe of the brain that is involved in language processing, speech production, and comprehension.

Wernicke's Area

A region of the brain that is important for language comprehension, located in the posterior section of the superior temporal gyrus in the dominant cerebral hemisphere.

Sodium-Potassium Pump

A cell membrane protein that uses ATP to transport sodium ions out of and potassium ions into a cell, maintaining the cell's electrochemical gradient.

Resting Potential

Membrane potential of an inactive neuron.