How are silt deposits called loess related to glaciers?
A. They are wind-blown accumulations and commonly are derived from glaciers.
B. They form in lakes as the lakes dried up at the end of the ice ages.
C. They were deposited by large glacially caused floods in the Pacific Northwest.
D. They accumulate in lakes trapped behind glaciers.
Answer: A
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Why is Jupiter the largest planet in the solar system?
A. due to a massive collision with another protoplanet B. Because of its distance from the Sun, the gravitational attraction between it and the Sun is perfectly balanced so as to create a density that results in the largest size of any planet. C. because that's just the way it happened D. Being the oldest planetary core, it had more time than the other planets to accumulate enough gas around itself before solar winds blew interplanetary dust away.
The transition from single to multicelled organisms may have started with the specialization of cells in colonies
a. True b. False
Why do holes form in vesicular igneous rocks?
Subsidence inversions
A) have little impact on regions where photochemical smog is prevalent. B) do not often occur in the Los Angeles basin. C) have a base that delineates the maximum elevation under which air can easily mix. D) are a subcategory of radiation inversions.