What is the most important data for studying the potential for flooding along a river for several decades into the future

Sink holes may eventually for to join a. wide valleys b. zone of aeration c. dripstones d. aquifer

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition c. conduction. d. density.

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