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Luasene Luasene
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5 years ago
Many marine organisms incorporate carbon into their shells. After they die, these shells become part of the ____.
 
  a. atmosphere
  b. sediment
  c. ocean
  d. ocean food web
  e. land food web

Question 2

How do positron emission tomography (PET) scans and functional magnetic resonance imaging (fMRIs) differ in brain study?
 
  What will be an ideal response?
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ShathenaShathena
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5 years ago
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Luasene Author
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5 years ago
Electric Light Bulb All of these are right, thanks!
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