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The next question refers to This Mystery Rocks! by Cynthia Schlagel. The sentences have been numbered to help you identify them more easily. This Mystery Rocks! By Cyntha Schlagel 1The Drifting Rocks are a strange phenomenon still unexplained by science. 2Located in Death Valley, California, the rocks sit on hot, flat ground. 3Unlike normal rocks, they have trails etched behind them as if they have traveled across the sand. 4Some trails are only a few feet. 5Some trails are over a half a mile long. 6Each trail is as baffling as the next. 7The variety of rock movement has baffled scientists for decades. 8Some rocks seem to roll as they move forward. 9Some take unexplainable routes. 10Large ones have traveled past small ones that have stayed still. 11Some scientists suggest that the rocks are pushed by wind. 12Others believe they slide on small amounts of ice or mud. 13So far, research has not confirmed any theory. Which sentence best identifies the main idea of paragraph two? Scientists are baffled by the different ways the rocks move. Scientists are confused by the different ways the rocks move, and theories involving wind, ice, and mud have not been confirmed. Scientists have theories of how the rocks move. The rocks have stumped scientists because some roll, some take unexplainable routes, and some have traveled past ones that have stayed still, but scientists have theories that the rocks are pushed by wind or that they slide on ice or mud.
not sure, it's probably either the second or fourth options, since these two provide the key details of what the paragraph is about
i think b
It's b. Since it obviously states "baffled scientists" and the series of rock movements, and also is concluded by being not proven with any theory! :)