Which describes a lava flow that travels downhill at over 100 mph? A. Shield
O B. Pyroclastic flow
O C. Pelean
O D. Tephra

What claim did thorne make? what evidence supported his claim?

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?