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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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- Fall '07
- Pacific Ocean