One of the ways to stay safe from the danger of lightning is to know how far away the approaching storm is. If you see a flash of lightning and then hear thunder approximately 15 seconds later, the lightning is
A. one mile from your location.
B. fifteen miles from your location.
C. right on top of your location.
D. three miles from your location.
Answer: D
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Which of the following statements about fusion is true?
A. Fusion produces no harmful radiation. B. Fusion is easier than fission. C. Fusion reactions have no critical-mass requirement. D. Fusion reactions can be easily controlled to make energy. E. none of the above
Which amino acids are coded for by the most codons?
A) glycine and alanine B) glycine and leucine C) leucine and serine D) leucine and methionine
Computer applications that allow the user to statistically analyze, view, and store / retrieve spatial data that is geographically referenced to a place on the Earth
A) Geospatial Data System (GDS) B) Geographical Information System (GIS) C) Telluric Analysis System (TAS) D) Topographical Statistics Analysis System (TSAS) E) Terrestrial Analysis & Storage System (TASS)
Which of these four lakes could be replenished by groundwater?
A. 1 and 4 B. 2 and 3 C. 3 and 4 D. 1 and 2 E. None of these.