Which of the following is used to measure earthquake intensity on a 0-to-9 logarithmic scale?
A) The Richter scale
B) The Moment Magnitude Scale
C) The Shifting Momentum Scale
D) The Seismic Moment Scale
E) None of the answer choices are correct.
Answer: A
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Which of the following terms refers to the amount of heat energy required to bring about a small change in temperature?
A. radiative equilibrium B. dead heat C. latent heat D. specific heat
Which of the following is true when comparing the hydrolysis of esters in acidic solution with the hydrolysis of esters in basic solution?
A) The reaction is reversible in either an acidic or a basic solution. B) The reaction is irreversible in both acidic and basic solutions. C) The reaction is reversible when carried out in acidic solution, but is irreversible when carried out in basic solution. D) The reaction is reversible when carried out in basic solution, but is irreversible when carried out in acidic solution.
Unlike the Paleozoic burrowing animals, which were soft-bodied, Mesozoic burrowing animals had hard-shells
a. True b. False
How does geomagnetism provide support for seafloor spreading?
A) Magnetic particles in basalt orient with the magnetic field in force at the time the oceanic lava cooled and hardened; the magnetic pattern is the same on both sides of the ridge. B) Mantle hot spots are always oriented to the magnetic field. C) The ocean floor is uniformly old, preserving the Earth's 4.6 billion history including past reversals in polarity. D) The oldest oceanic crust is always found near mid-ocean ridges. As one moves out from these ridges, the crust is simultaneously younger and oriented according to the polarity at the time. E) Isotopic analysis of ocean core sediments help determine sea floor age and this can be used to infer past magnetism.