Diffusion of water across a membrane from areas of high concentration to areas of low concentration is called

Osmosis

Explanation:

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amber has allowed scientists to study dna that has been preserved over millions of years.

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.