Microscale winds generally last for:
A) 1 to 2 days. B) a few seconds. C) 3 days or longer. D) 1 to 2 hours.
B
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____________________ gold deposits are formed by stream deposits
Fill in the blank(s) with correct word
Hypoxia ________.
A. occurs when oxygen concentrations fall below 2 mg per mL B. occurs when oxygen concentrations fall below 2 mg per mL, can result in the death of sessile organisms, and occurs when respiration rates exceed oxygen replenishment via circulation C. can result in the death of sessile organisms D. occurs when respiration rates exceed oxygen replenishment via circulation E. None of these is correct.
When it was first proposed, Alfred Wegener's continental drift hypothesis was heavily criticized by earth scientists. What was one of their primary objections to the continental drift hypothesis?
A. Wegener falsified some of his data to better fit his hypothesis. B. Wegener did not offer an explanation for how the continents move. C. Wegener couldn't explain the worldwide distribution of fossil species. D. The continents did not fit together as well as Wegener initially claimed.
Earthquakes, volcanoes, and landslides can displace large volumes of water and trigger which of the following natural disasters?
A. tsunamis B. mass wasting C. tornadoes D. lahars