Refraction occurs when light passing from one medium to another
A. loses energy.
B. changes frequency.
C. changes form.
D. none of the above
Answer: D
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What kind of growth is taking place in a population that doubles its size in 1000 years, and then doubles it again in 100 years , and finally doubles again in just 10 years?
A. exponential B. linear C. circumstantial D. negative growth
A comprehensive term for any type of downslope movement of Earth materials is
A) subsidence B) debris flow C) avalanche D) mass wasting
What transportation technologies were tied together by container-handling facilities?
A) railroads and ships B) trucks and railroads C) trucks and ships D) airlines and ships E) railroads and airlines
The freezing point of seawater is lower than that of freshwater due to the presence of dissolved salts
Indicate whether the statement is true or false