In what two ways is Titan's atmosphere like our own? Now name two differences
What will be an ideal response?
Like the Earth's, Titan's atmosphere is made chiefly of nitrogen, and it is at about the same barometric pressure as the Earth's at both surfaces. However, it is much colder, it lacks any substantial oxygen, and its clouds are made of methane and other hydrocarbons, not water droplets like ours.
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Explain why the current spectral classification letters are all jumbled and not in alphabetical order
What will be an ideal response?
Vaporization is the process in which
A) molecules go from the solid phase to the liquid phase. B) molecules go from the liquid phase to the gas phase. C) molecules go directly from the solid phase to the gas phase. D) electrons are stripped from atoms.
One terminal of a battery is connected to a closed circuit, while the other terminal is left unconnected. Which of the following statements is true?
A) No current flows through the battery, and the potential of any point in the circuit is the same. B) No current flows through the battery, and the potentials of different points in the circuit are different. C) Current flows through the battery, and the potential of any point in the circuit is unchanged. D) Current flows through the battery, and the potentials of different points in the circuit are different.
A crane lifts a 425 kg steel beam vertically upward a distance of 95m How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s2? Neglect frictional forces
A) 4.0 × 105 J B) 3.2 × 105 J C) 4.7 × 105 J D) 2.7 × 105J