Answer: choice A
Explanation: photosynthesis uses carbon dioxide to produce oxygen, which cellular respiration uses to make carbon dioxide.
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Condensation(TRANSPIRATION FROM PLANTS)-Precipitation-Evaporation
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The answer is D. There are nation that are divided into
states (also called federal governments) in countries with devolved structures
of government. These states are semi-autonomous regions and are allowed to
create their own local policies and laws. Example of a country with federal governments
is the United States.
The
histone code is a pattern of amino acid modifications of the histone tails that
is thought to specify the transcriptional state of the genes.
<span>
Different
chemical modifications, like acetylation, methylation, or phosphorylation, are
made to residues on the N-terminal tails of histone proteins and those
modifications correlate with chromatin structure and gene expression levels.</span>
Process by which organisms maintain a relatively stable internal environment