Electromagnetic radiation that behaves like a particle is called a(n) ________
A) photon B) electron C) proton D) quark
A
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Rocks that contain crystals that are roughly equal in size and can be identified with the unaided eye are said to exhibit a ________ texture
A) fine-grained B) coarse-grained C) glassy D) porphyritic
How fast do asteroids travel in space?
a. about 2 to 4 km per minute b. about 15 to 40 km per minute c. about 2 to 4 km per second d. about 15 to 25 km per second e. about 150 to 400 km per second
Which of the following is TRUE of Hadley cells?
A) They are associated with the subpolar low pressure systems. B) They dominate the polar circulation. C) They appear most vertically and symmetrically on either side of the equator at the equinoxes. D) They occur at great depth in the oceans.
Most subduction-derived magma never reaches the surface. However, what is formed if this type of magma reaches the surface of a continent?
A. basalt fissure B. lines of calderas C. belts of volcanoes