
Respiration is the only major process through which carbon moves from organic molecules back to the atmosphere.
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Q41: Oligotrophic lakes have:
A)low oxygen concentrations in the
Q42: Atmospheric N₂ is useless to plants.
Q43: The coastal zone is best described as
Q44: Which aquatic ecosystem is characterized by ocean
Q45: In lakes,rooted plants may grow in the
Q47: Too much nutrient runoff,particularly from nitrogen fertilizers,can
Q48: There would be roughly the same biomass
Q49: Which of the following statements is true?
A)The
Q50: Human industry is responsible for more nitrogen
Q51: Photosynthesis is the main process by which
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