Which is the best location for storing radioactive wastes? in the sand of a remote island
in chambers carved into the rock of a mountain
in the lava tubes of an active volcano
in natural caverns formed by the action of a river

in the sand of a remote island maybe

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.