Questions and Answers
Which of the following animals produce guano?
What does the term 'bioavailable' mean?
After a rainstorm, excess fertilizer can _________ into the surrounding streams.
What is the main component of the atmosphere?
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What is the process by which nitrogen is converted into a form that plants can use?
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What are microorganisms that form a layer of algae on still water called?
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What does it mean when water percolates through coffee grounds?
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