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Home Q & A Board Biology-Related Homework Help General Biology
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EmpressDina EmpressDina
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6 years ago
Most fresh water exists as:
 
  a. ice
  b. soil water
  c. aquifer water
  d. surface water (lakes, rivers)
  e. atmosphere

Question 2

What technique detects brain voltage (electrical activity) fluctuations?
 
  a. molecular biology techniques using brain tissue
  b. x-rays
  c. positron emission tomography (PET)
  d. electroencephalograph (EEG)
  e. functional magnetic resonance imaging (fMRI)
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marcusb213marcusb213
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6 years ago
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EmpressDina Author
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#2
6 years ago
This is very helpful, my teacher this year is not good
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