The Cycles of Matter Answers

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Which organisms release carbon dioxide during cellular respiration?

only producers

only consumers

both producers and consumers

Which best describes nitrogen fixation?

Nitrogen fixation is the process of creating free nitrogen for plants to absorb.

Nitrogen fixation is the breakdown of nitrogen in the soil.

Nitrogen fixation is the conversion of nitrogen gas into a usable form.

Nitrogen fixation is the destruction of the bonds between nitrogen and other elements.

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