What is meant by the habitable zone?
A) the zone where water can be a liquid around the center of the Galaxy
B) the region around each star where terrestrial planets could have liquid water on their surfaces
C) the zone in which terrestrial-sized planets could form around each star
D) the region in dense atmospheres like Jupiter's that water droplets could form
E) the regions near the poles of Mercury where liquid water might exist
Question 2
Diffraction is the tendency of light to:
A) spread around corners.
B) separate into its component colors.
C) bend through a lens.
D) disperse within a prism.
E) reflect off a mirror.
This jumping spider's main ocelli (center pair) are very acute.
In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi
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Distribution of Earth's Water
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