The Choices Below Describe Four Hypothetical Planets

question 176

Multiple Choice

The choices below describe four hypothetical planets. Which one would you expect to have the hottest interior? (Assume the planets orbit a star just like the Sun and that they are all the same age as the planets in our solar system.)

• A)Size: same as Mars. Distance from Sun: same as Earth. Rotation rate: once every 18 hours.
• B)Size: same as Venus. Distance from Sun: same as Mars. Rotation rate: once every 25 hours.
• C)Size: twice as big as Earth. Distance from Sun: same as Mercury. Rotation rate: once every 6 months.
• D)Size: same as the Moon. Distance from Sun: same as Mars. Rotation rate: once every 10 days.

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Definitions:

Auditory Nerve

is a cranial nerve that transmits sound information from the cochlea in the inner ear to the brain for processing and interpretation.

Inner Hair Cells

Sensory cells located in the cochlea of the inner ear, responsible for converting sound vibrations into electrical signals that are sent to the brain.

Axons

Long, slender projections of nerve cells (neurons) that transmit electrical impulses away from the neuron's cell body.

Auditory Route

A pathway in the brain that processes auditory information from the ears to the auditory cortex.