Sacos membranosos planos y semejantes a monedas apiladas? Membranous, flat, coin-like sacks stacked?

the answer would be 3

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.

its temperature is increasing. this causes molecular vibrations to increase.