One hypothesis suggested to explain the uniform age of the surface of Venus is that
a. Venus's surface is 4 billion years old and has not been affected by flooding or slow evolution.
b. Venus's surface is made of rocks that are much harder than Earth's and thus last longer.
c. Venus periodically goes through a catastrophic melting of its entire surface.
d. Venus's clouds protect it from meteorites so that very few impacts occur to change its surface.
e. dust storms deposit large amount of dust on the surface, making it appear of uniform age.
c
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A) weight B) mass C) height D) velocity
Homogeneous mixtures are
a. heterogeneous mixtures. b. compounds. c. nonuniform mixtures. d. solutions.
Why will a struck tuning fork sound louder when it is held against a table?
What will be an ideal response?
Electric power is transmitted over long distances at high voltage because
A) electricity moves faster at higher voltage. B) the lines can be on taller poles. C) lightning does more damage. D) there is less power lost. E) electricity moves slower at higher voltage.