Practice Quiz

NAEP Science Grade 8

Category - Science

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How do most fish get the oxygen they need to survive?
  1. They take in water and break it down into hydrogen and oxygen.
  2. Using their gills, they take in oxygen that is dissolved in water.
  3. They get their oxygen from the food they eat.
  4. They come to the surface every few minutes to breathe air into their lungs.
Explanation
Answer: B - Using their gills, they take in oxygen that is dissolved in water.
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