How did the end of the last ice age impact louisiana's physical environment?
a.) glaciation led to the formation of natural levees along louisiana's waterways.
b.) glaciation led to the development of louisiana's extensive system of bayous and
swamps
c.) glacial melting led to sedimentation and the formation of the gulf coastal plain of
louisiana.
d.) retreating glaciers left behind large boulders and stones which dot louisiana's
landscape.