What best describes the association between the carbon cycle, plants, and animals? Plants fix carbon and release oxygen, and animals release carbon and use oxygen.
Animals fix carbon and release oxygen, and plants release carbon and use oxygen.
Animals fix carbon through respiration, and plants fix carbon through photosynthesis.
Plants decompose fixing carbon, and animals decompose releasing carbon.

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answer; ///(b) it is composed of four protein chains and four heme groups;

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.