During reflection,
A) a portion of radiation is absorbed by the surface and the rest bounces off of the surface.
B) radiation retains the same intensity but bounces back from the surface at a random angle.
C) radiation retains the same intensity and bounces back at the same angle with which it struck the surface.
D) radiation is separated into several groups of weaker rays that travel in different directions.
C
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Which of the following aquatic ecosystems receives the vast majority of the global inputs of pollution?
a. estuary b. swiftly flowing stream c. deep-water ocean d. coastal parts of the ocean e. slow-moving river
Late Cretaceous to early Paleogene coal deposits have higher sulfur content than the
Pennsylvanian age deposits found in the eastern United States. Indicate whether the statement is true or false.
When the Endangered Species Act was established in 1973, the list included 92 U.S. species. In 2015, that number had risen to ____.
A. 356 B. 507 C. 770 D. 1,000 E. 1,591
The Redfield ratio ________.
A. was originally formulated to relate carbon, oxygen, and hydrogen B. is related to the average composition of all plankton in the ocean C. is of no practical importance to oceanography today D. All of these are correct. E. None of these is correct.