When a pair of cross-wired speakers are brought face to face when playing monaural music, loudness is
A. amplified.
B. diminished.
C. both depending on how close.
D. none of the above
Answer: B
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In the Demographic Transition Model which of the following statements is TRUE?
A) Stages 1 and 4 both have low death rates B) Stage 1 has a low birth rate but a high death rate C) Stage 4 has a low RNI D) Stage 3 has a lower birth rate than death rate E) Stage 2 has a low RNI
The best way to address outdoor air pollution is to ________
A) use less polluting energy sources B) use high sulfur content coal C) install scrubbers on smoke stacks D) build high smoke stacks E) use automobiles without catalytic converters
When meander scars are filled with water, they are called
A. river terraces. B. oxbow lakes. C. point bars. D. main channels. E. floodplain.
What is a king cobra an example of?
A. amphibian B. mammal C. fish D. bird E. reptile