On a human time scale, nonbiodegradable wastes (such as toxic lead and arsenic) remain in the water permanently.
Answer the following statement true (T) or false (F)
True
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A functional region is:
A) derived from people's sense of identity and attachment to different areas. B) non-existent in developing nations. C) an area that possesses one or more unifying cultural or physical traits. D) an area unified by a specific social, cultural, or economic activity. E) an area that possesses only one specific cultural trait.
A geologist can recognize deposits made directly by a glacier, because the deposits tend to be poorly sorted with
angular sediments. a. True b. False
Variations in individual streams is the result of
A) topography only. B) geology and soils only. C) climate only. D) plant cover only. E) climate, geology and soils, topography, and plant cover.
Fossil discoveries indicate that whales evolved from mammals on land about ________ million years ago
A) 50 B) 60 C) 70 D) 80 E) 90