Quiz na Under the Stars tab, what is the best way to determine the Period of
the star or object being analyzed?
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Scien
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Select one:
O a. Use the graph scale to subtract the highest number of days
on the far side of the scale and the lowest number of days on the
near side.
Gettir
i
1
b. Flip a coin
O c. Activate Show Time Probes, slide the probes to two peaks and
subtract the left from the right probe.
Part 1
O d. Activate Show Mean Brightness and use the number shown.

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b. to discover aspects of the natural world.

hopefully i .

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.