Describe how a glacier is like a bulldozer, an ice cream scoop, and a piece of sandpaper
What will be an ideal response?
Bulldozer: plucking and depositing sediments of all sizes. Ice cream scoop: carving out the side of a mountain such as the Matterhorn. Sandpaper: scraping rock and leaving striations as the rocky bottom of the glacier scours the surfaces it moves over.
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How much applied horizontal force is needed to accelerate a 400-kg crate at 1 m/s2 across a factory floor against a friction force half its weight?
A. 2400 N. B. 600 N. C. 1600 N. D. 2000 N.
To reduce auto emissions in the United States, modifications to automobile engines have been required since the 1960s
Indicate whether the statement is true or false.
Material produced by mechanical weathering that accumulates at slope bases is called:
a. slopewash b. soil creep c. talus d. exfoliation
____ order streams have no perennial tributaries
a. First-order b. Second c. Third d. Fourth