What term describes the close-fitting mosaic of pebbles, cobbles, and boulders covering the floor of many deserts and semi-arid regions?
A)ventifact
B)desert pavement
C)longitudinal dune
D)yardang
E)barchan dune
B
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San Francisco has milder winters than Washington D.C. because of water's high
A. specific heat capacity. B. conductivity. C. temperature in the Pacific Ocean. D. indeterminate
Complete the following nuclear equation:
Bi ? 
Tl + ??
A. gamma ray
B. 
He
C. 
e
D. both A and B
E. none of the above
Tidal range is largest during neap tides and smallest during spring tides
a. True b. False Indicate whether the statement is true or false
What is NOT true about adiabatic processes?
A. Air rises, expands, and cools. B. No energy is transferred during the processes. C. Air sinks, compresses, and warms. D. Latent energy is absorbed or released by air. E. Only adiabatic cooling can produce clouds.