Weathering is . a.
caused by the movement of materials over rocks
b.
not a natural process
c.
a process whereby rocks are broken down by direct contact with the atmosphere
d.
all of the above

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.