On a weather map, closely spaced circular isobars around a central low pressure area with winds moving counterclockwise about the center may represent
A) approaching fair weather.
B) a hurricane.
C) an approaching snow storm.
Answer: B
You might also like to view...
If the material that formed the Moon was ejected by Earth due to a rapid rotation rate, what can we predict about the composition of moon rocks collected by Apollo astronauts?
A. Moon rocks should have a completely different composition than rocks found on Earth. B. Moon rocks should have some similar and some different compositional characteristics. C. Moon rocks should have a composition that is the same as Earth's crust. D. Moon rocks should have the same composition as rocks found on and inside Earth.
You see a leaf falling to the ground with constant speed. When you first notice it, the leaf has initial total energy PEi + KEi. You watch the leaf until just before it hits the ground, at which point it has final total energy PEf + KEf. How do these total energies compare?
a) PEi + KEi > PEf + KEf b) PEi + KEi = PEf + KEf c) PEi + KEi < PEf + KEf d) impossible to tell from the information provided
The modern theory of dark energy arises from observations showing that
A) galaxies spin at slower than expected rates. B) superclusters are collapsing. C) the speed of light is not exactly constant. D) galaxies are accelerating away from each other.
A light bulb designed for use with AC would still work if hooked up to DC of the proper voltage
a. True b. False Indicate whether the statement is true or false