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ill 82% One primary characteristic of chromosomes is that chromosomes are located in the center of cells, called the nucleus. ... Each chromosome actually features protein and a single DNA molecule. The DNA remains wrapped around histones, which are spool-like proteins, because of the unique structure of chromosomes.

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

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