If you add salt to a carbonated soft drink
1.the carbonation will bubble out of solution.
2.no bubbles will form.
3.the drink will cool down.
4.the drink will warm up.
1
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An extinct volcano is one that:a
existed during a past geological period or epoch. b. has not erupted during recorded history. c. has shown no evidence of activity over recorded history. d. has not erupted during recorded history and has shown no evidence of activity over recorded history. e. all of these.
Where are glaciers fastest?
A) in the Alps B) in Greenland C) in Antarctica D) There is no clear difference between continents.
The Antarctic ozone hole
A) appears when polar stratospheric clouds evaporate. B) is about the same intensity as that found over Arctic regions. C) had nearly disappeared by the end of the 1980s. D) appears in the upper troposphere. E) appears only when no direct sunlight hits the atmosphere above Antarctica.
The 24-unit tidal power plant at the La Race River estuary in France can generate, at peak operating capacity, enough electricity to power about ________ average U.S. homes
A) 24,000 B) 30,000 C) 40,000 D) 50,000 E) 60,000