A dark colored igneous rock with no visible crystals cooled:a
slowly in a magma chamber.
b. quickly in a magma chamber.
c. slowly on the Earth's surface.
d. quickly on the Earth's surface.
e. none of the these
D
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Radioactivity is a tendency for an element or a material to
A. radiate heat. B. emit radiation. C. glow in the dark. D. emit light. E. emit electrons.
What general kind of weather (wet or dry) should Pocatello, Idaho (43° N, 112° W), expect over the next few hours? Why?
The following questions are based on the surface weather map shown below.
What will be an ideal response?
Which of the following does not describe marine reptiles?
A. vertebrates B. poikilotherms C. animals D. photoheterotrophs E. None of these is typical of reptiles.
Which of the following plant types is herbaceous?
A) Evergreen B) Softwood C) Deciduous D) Hardwood E) Grasses