Multiple Choice
What defines the habitable zone around a star?
A) the region around a star where rocky planets form
B) the region around a star where humans can survive
C) the region around a star where liquid water can potentially exist on planetary surfaces
D) the region around a star where the ultraviolet radiation does not destroy organisms on a planetary surface
E) the region around a star where life exists
Correct Answer:

Verified
Correct Answer:
Verified
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