What happens when fresh water flows into seawater?
A) They mix completely.
B) There is a continuous gradation from seawater on top to fresh water on the bottom.
C) The fresh water covers the sea water.
D) The sea water covers the fresh water.
E) There is a continuous gradation from fresh water on top to sea water on the bottom.
C
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The only temperature scale that relates changes in internal energy to the absolute amount of heat gained or lost by a system is the
A. Centigrade scale. B. Fahrenheit scale. C. Celsius scale. D. Kelvin scale.
What is the name given by sailors to the area where Hadley cells converge?
a. Horse latitudes b. Intertropical convergence zone c. Doldrums d. Trade winds
The diagram below reminds us that NOx reacts with water to produce nitric acid (HNO3), an important component of
A) global warming.
B) El Niño.
C) eutrophication.
D) acid rain.
What is the total mass of air inside the average house at 21°C?
Find out how much water vapor you would need to add to make your whole house comfortable. The average American house contains 544 m3 of air, and at 21°C, 1 m3 of air has a mass of 1.2 kg. What will be an ideal response?