When rocks experience high temperatures and differential stresses deep in the Earth, their grains tend to ________
A) form new minerals
B) fracture along planes of weakness
C) flatten and elongate
D) break in small fragments like a piece of fine crystal
C
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The dominant branch of Islam in Iran is
A) Medina. B) Eastern Orthodoxy. C) Mecca. D) Sunni. E) Shi'ite.
In some instances, electromagnetic radiation behaves like a wave. In other instances, electromagnetic radiation behaves more like a particle. Which behavior more accurately describes the true nature of electromagnetic radiation?
A. Electromagnetic radiation behaves as a wave or as a particle depending on the circumstance. B. Wave behavior more accurately describes the true nature of electromagnetic radiation. C. There is no circumstance in which electromagnetic radiation can be described as either portraying particle or wave behavior. D. Particle behavior more accurately describes the true nature of electromagnetic radiation.
The major goal of the U.S. earthquake hazard reduction program is to
A) develop an earthquake warning system for southern California B) reduce earthquake hazards through understanding of risks and prediction of hazards C) federally enforce seismic building codes in active areas D) determine the roots of human perceptions of earthquakes
Large woody vines that are rooted in the soil and found in tropical forests are called
A) epiphytes. B) understory. C) lianas. D) bryophytes.