A mountain that floats on the mantle indicates that the density of the mantle is
A) less than that of the mountain.
B) about the same as that of the mountain.
C) greater than that of the mountain.
D) none of the above
Answer: C
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You hold an apple in one hand and an orange in the other. If you doubled the mass of the apple and tripled the mass of the orange, without changing the distance between them, the gravitational force between them would be
A) unchanged, because it is zero both before and after the mass alterations. B) five times larger. C) doubled. D) three times larger. E) six times larger.
Which organic compound is represented by a pentagon?
a. Benzene b. Cyclopentane c. Cyclopropane d. Cyclobutane e. Methane
Radio waves that diffract more around small buildings are
A) AM. B) FM. C) both diffract equally
A bimetallic strip is usable as a thermometer because of the property of __________
Fill in the blank(s) with correct word