Sediment deposited by glacial meltwater is _____
a. termed tarn
b. better sorted than till
c. termed tephra
d. composed of pure clay
e. termed roche moutonnée
b
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Detrital sedimentary rocks differ from chemical sedimentary rocks in that
A) detrital sedimentary rocks accumulate in depositional basins, while chemical sedimentary rocks do not B) detrital sedimentary rocks are composed of visible pieces of preexisting rocks C) chemical sedimentary rocks are composed of chemical elements, while detrital rocks are not D) chemical sedimentary rocks accumulate in the ocean, while detrital rocks do not
Wild turkeys, peregrine falcons, and snowy egrets are examples of birds that have
A) are extinct despite extensive efforts to save these species. B) very few individuals restricted to just a few small populations. C) all been severely impacted by the spread of the bird flu. D) recovered significantly since gaining legal protection.
The highest temperatures in the atmosphere occur in the
A) mesosphere. B) troposphere C) thermosphere. D) stratosphere.
During a La Niña phase, excess warm water accumulates in
A. A. B. B. C. C. D. D.