(3 pt) which describes a major advantage of steamboats over other vessels?
a.
they required less fuel than a sailing ship.
b.
they could float in shallower water than a canal boat.
c.
they allowed for travel against a river's current.
d.
they had a very good safety record.

folds are formed when heat and pressure is applied to the rock. the higher the temperature, the more pliable rocks become. folds are more likely to occur when the deformation caused by the compression is applied slowly. faults are defined as the displacement of rock that were once connected along a fault line.

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