Scientists Thomas Young, Heinrich Hertz, and James Clerk Maxwell believed that light is
A. a combination of waves and particles.
B. wave-like in nature.
C. a succession of particles.
D. none of the above
Answer: B
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An ethnic minority that is concentrated on the Japanese island of Hokkaido.
A. Manchu B. Burakumin C. Ainu D. Korean
Kelp forests help reduce ____ by blunting the force of incoming waves and trapping some of the outgoing sand.
A. runoff B. shore erosion C. coastal pollution D. tidal waves E. tidal pools
Under some circumstances, correlation between two regions can be made by assuming that similar rock types in the two regions formed at the same time.
Answer the following statement true (T) or false (F)
The smallest particle that exhibits the characteristics of a chemical element is known as a(n):
A. Molecule B. Isotope C. Phase of matter D. Atom E. Microorganism