The mercury thermometer operates on the principle of
A) liquid expansion and contraction.
B) energy emission from a surface.
C) thermoelectric principles.
A) liquid expansion and contraction.
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Indicate whether the statement is true or false
The Baha'i New Year begins on
A) the first day of summer. B) the first day of autumn. C) the first day of winter. D) the first day of spring. E) the midpoint of the Gregorian calendar.
The vertical difference between consecutive high and low tides is called the ________
A) ebb tide B) flood tide C) tidal bore D) tidal height E) tidal range
Which of the following earth materials would NOT make for a good aquifer?
A. shale B. fractured granite C. sandstone D. soluble limestone E. sandy sediment