According to our present theory of solar system formation, which of the following lists the major ingredients of the solar nebula in order from the most abundant to the least abundant?
A) hydrogen and helium gas; rock; metal; hydrogen compounds
B) hydrogen and helium gas; hydrogen compounds; rock; metal
C) hydrogen, water, methane, helium
D) hydrogen compounds; hydrogen and helium gas; metal; rock
B
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When a bar magnet is broken in half, the strength of the four new poles relative to pole strength before breaking is
A) less than half. B) half. C) the same. D) somewhat more.
The pressures p and volumes V of five ideal gases, with the same number of molecules, are given below. Which has the highest temperature?
A. p = 1 × 105 Pa and V = 10 cm3 B. p = 3 × 105 Pa and V = 6 cm3 C. p = 4 × 105 Pa and V = 4 cm3 D. p = 6 × 105 Pa and V = 2 cm3 E. p = 8 × 105 Pa and V = 2 cm3
Which characterizes the magnetosphere/strength of magnetic fields on Jupiter?
A. the same as on Earth so that it has aurora B. completely absent C. weaker than that on Earth, but it still has aurora D. a thousand times that on Earth so that it cannot have aurora E. ten times stronger than Earth so that it has aurora
The particles in Saturn's E ring probably come from volcanic eruptions on Enceladus
Indicate whether the statement is true or false