Match the following vocabulary with the descriptions. 1. science a proposed explanation for a narrow set of phenomena 2. scientific hypothesis a scientific explanation formulated based on known facts and repeated testing 3. scientific law a description of an observed phenomenon that holds true every time it’s tested under a given set of conditions 4. scientific theory a collective human effort to comprehend, or better understand, the history of the natural world and how it works, through physical evidence collected via observations

change tension

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;