What factors influence the rate of glacial erosion?
What will be an ideal response?
Answer: 1) Rate of glacial movement, 2) thickness of glacial ice, 3) shape, abundance, and hardness of rock fragments at the base of the glacial, and 4) erodibility of bedrock beneath the glacier.
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During Phase 3 of migration to the U.S. (1870 -1920), where did the majority of immigrants come from?
A) England and Africa
B) Ireland and Germany
C) Southern and Eastern Europe
D) Canada and Latin America
E) Latin America and Asia
The ________ horizon is the uppermost layer of a soil; it consists of organic material.
A. A B. B C. C D. O E. E
Consider the scenario in which peas are planted in Ontario on May 1. If the peas need 1200 growing degree-days before they can be picked, and if the mean temperature for each day from May to July is 21°C, in about how many days will the peas be ready to pick? (Assume a base temperature of 4°C).
A. 70 B. 30 C. 120 D. 40
Frozen clothes “dry” outside in subfreezing weather by a process called ____________________
Fill in the blank with correct word.