Playas are:
a. ancient Pleistocene shorelines representing a past, more humid climate.
b. eolian depositional landforms.
c. ancient abandoned river courses representing a past, more humid climate.
d. intensely gullied.
e. occasionally, at least partly flooded with water.
E
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The proportion f ~ T tells us that a twice-as-hot object emits radiation that
A. had double the wavelength. B. has half as much radiation frequency. C. has twice the radiation frequency. D. none of the above
The neon atom tends not to lose any electrons because
A. the ionization energy is so high. B. that would result in a negative ion. C. of its relatively strong effective nuclear charge. D. its electrons are paired together within the same orbitals.
Which conveyor belt is responsible for the comma head of a middle-latitude cyclone?
A. cold conveyor belt B. dry conveyor belt C. warm conveyor belt D. stratospheric conveyor belt
The smaller the footprint of a sound beam, the greater the detail of the seafloor features.
Answer the following statement true (T) or false (F)