A glacier grows and shrinks with the seasons. When a glacier is growing, we say it is
A) retreating.
B) advancing.
C) stationary.
D) crevassing.
Answer: B
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According to solar nebula theory, what is the first step in planetesimal formation?
a. heating b. flattening c. accretion d. condensation e. gravitational collapse
If an object has twice as much mass as another, then it also has twice as much
1) acceleration. 2) weight. 3) center of gravity. 4) area. This is because 5) of inertia. 6) mass and weight are directly proportional to each other. 7) the gravitational force acting on all objects in the same locality is the same.
Holograms appear three dimensional because
A. they are in color. B. they are transparent. C. they consist of Young double slits. D. they recreate wave fronts as if they came from the original source. E. of their spectral response to refraction.
Offspring born with random alterations to their DNA are called__________
A) clones B) drones C) mutants D) fossils