Ocean320 f07 ch1 quiz1

Ocean320 f07 ch1 quiz1 - Selected Answer: True Question 0...

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Based on radiometric age determinations and the Geologic Time Scale, the age of the Earth is considered to be ___ old. Selected Answer: 4.6 billion years Question 2 0 out of 0 points Most of the primitive world maps were developed by oceanographic explorations during the Middle Ages. Selected Answer: False Question 3 0 out of 0 points Anaerobic bacteria require oxygen in their environment in order to survive. Selected Answer: False Question 4 0 out of 0 points The difference between heterotrophs and autotrophs are __________. Selected Answer: autotrophs create their own food, whereas heterotrophs require an external food supply Question 5 0 out of 0 points The first explorer to lead an expedition which circumnavigated the world was: Selected Answer: Ferdinand Magellan. Question 6 0 out of 0 points Early Polynesians only traveled within sight of land. Selected Answer: False Question 7 0 out of 0 points Satellites contribute significantly to our understanding of the oceans.
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Unformatted text preview: Selected Answer: True Question 0 out of 0 points 8 The most abundant material in the universe is _____. Selected Answer: hydrogen Question 9 0 out of 0 points The first voyage designed solely to collect oceanographic data was aboard the: Selected Answer: HMS Challenger. Question 10 0 out of 0 points The four principle oceans of the Earth are the: Selected Answer: Atlantic, Arctic, Indian, and Pacific Oceans. Question 11 0 out of 0 points An exothermic reaction releases energy. Selected Answer: True Question 12 0 out of 0 points Scientists believe that most of the oxygen in Earth's atmosphere originated __________. Selected Answer: by the photosynthetic process of simple cyanobacteria over 2 billion years ago Question 13 0 out of 0 points The process of two hydrogen atoms combining to form a helium atom is called __________. Selected Answer: nuclear fusion...
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Ocean320 f07 ch1 quiz1 - Selected Answer: True Question 0...

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