Consider the Following Hypothetical Situation

question 21

Multiple Choice

Consider the following hypothetical situation.A spacecraft lands on a moon of one of the planets.The moon has a smooth surface resembling that of the lunar maria.The rocks on the surface are found to be 4.5 billion years old.Why would such a finding be highly unusual?

• A)Such rocks are far older than any found on the Earth's moon
• B)If the surface is that old,it should be heavily cratered
• C)The maria rocks on the Earth's moon are much older than 4.5 billion years
• D)There should not be rocks on maria

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Definitions:

Pineal Gland

A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.

Insulin

A hormone produced by the pancreas that regulates blood sugar levels, allowing your body's cells to absorb glucose as energy.

Brains

are the complex organs located in the skulls of vertebrates, functioning as the center of the nervous system, controlling thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger, and every process that regulates our body.

Virtually Identical

Being nearly the same in every way, especially in appearance or quality.