Which properties of a lava lamp are important to remember when modeling convection?
a) The lava lamp contains three liquids with similar densities that do not mix and that expand at similar rates when heated.
b) The lava lamp contains two liquids with different densities that do not mix and that expand at different rates when heated.
c) The lava lamp contains two liquids with similar densities that do not mix and that expand at similar rates when heated.
d) The lava lamp contains three liquids with different densities that do not mix and that expand at different rates when heated.
b) The lava lamp contains two liquids with different densities that do not mix and that expand at different rates when heated.
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Oceans absorb more of the solar radiation that they receive than do continents
a. True b. False
Why is it that London, England, is relatively warm even though it is located at the same high, cold latitude as Hudson Bay, Canada?
What will be an ideal response?
Which of the following controls the rate of groundwater flow?
A. the permeability of the rocks B. the slope of the water table C. how fractured the rocks are D. All of these.
Before the intrusion of outsiders, what were the economies of lowislands based on?
a. industry and manufacturing b. tourism c. subsistence agriculture d. mining e. foreign military