Like light, sound energy travels in:?
A. ?waves.
B. ?pitch.
C. ?vibrations.
D. ?circles.
Answer: A
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a. Poverty b. Online identity theft c. Drug use d. Bullying
A science teacher develops an activity in which the students observe a river and test several characteristics of the water. The students are developing a scientific
a. Fact b. Concept c. Theory d. Law
The eyelid is controlled by
a.......................................................................................................voluntary muscles. b....................................................................................................involuntary muscles. c........................................................................both voluntary and involuntary muscles. d...............................................................................................semi-voluntary muscles.