On Which Planet Can We See Prominent but Variable Ice

question 205

Multiple Choice

On which planet can we see prominent but variable ice caps?

• A) Mercury
• B) Mars
• C) Venus
• D) the Moon

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Definitions:

"Hobbits"

A nickname for Homo floresiensis, a small-bodied ancient human species discovered on the Indonesian island of Flores.

Foramen Magnum

A large opening in the base of the skull through which the spinal cord passes to connect to the brain.

Spinal Cord

In vertebrates, the dorsal, tubular nerve cord.

Archaic Humans

Early forms of Homo species, such as Homo neanderthalensis and Homo heidelbergensis, that share some characteristics with modern humans but also have distinct anatomical differences.