Which best describes hydrology? A. a barrier built to regulate the flow of water downhill
B. a gated enclosure in which boats are raised or lowered from one level to another
C. a passage to allow excess water to flow off from a river in a more controlled fashion during a
flood or high-water event
D. the patterns of water flow in a system

answer: weird flex but ok

brainliest would be greatly appreciated < 3

the correct answer is c. he speculates on what might happen at given points in the future in a world without people. alan h. weisman is an american author, professor, and journalist. authors organize their information with a purpose. they present their ideas in an organized way. this is called text structure. weisman uses text structure so as to improve overall comprehension and to prove his points.

the statement that best explains why the tenth amendment reserves some rights and powers to states is that the framers believed in the principle of federalism. this principle says that some powers are in the hands of a centralized national government, while others are reserved for the governments of several states.