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What is a habitable zone (the simplest definition, as used in lectures)? Select one: a. Somewhere...

What is a habitable zone (the simplest definition, as used in lectures)?

Select one:

a. Somewhere where liquid water could exist on a planetary surface

b. A region of a planet where liquid water can exist

c. A region of space where water is just able to melt

d. A region of space where water can exist in all three phases.

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Answer #1

Correct option is A

As habitable zone defines the region where a planet might be able to retain liquid water on its surface.

As water is essential for life or survival.

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