Compared to Jupiter and Saturn, Uranus and Neptune
A) are substantially larger
B) contain a much higher proportion of hydrogen compounds
C) have no ring systems
D) are much more massive
B
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Lens-Maker Formula: The radius of curvature of the curved side of a plano-convex lens made of glass, having index of refraction 1.64, is 33 cm. What is the focal length of the lens?
A. 52 cm B. -52 cm C. 21 cm D. -21 cm
The mass of Neptune can be calculated from measurements of
A) Neptune's orbital period and its distance from the Sun. B) the Sun's mass and how Neptune's speed changes during its elliptical orbit around the Sun. C) the masses of Neptune's moons, Triton and Nereid. D) the gravitational influence of Jupiter and Saturn on Neptune's orbit around the Sun. E) the orbital period and distance of the moon Triton from Neptune.
The fact that many different organisms on Earth have developed eyesight provides evidence for
A) cross-breeding B) artificial selection C) convergent evolution D) genetic mutations
The Great Dark Spot is a feature of ______________
Fill in the blank(s) with correct word