21.The stereotypical gold rush prospector panning for gold in a streambed is an example of exploiting deposits. a.magmaticc. residual mineralb. placerd. sedimentaryANS: BDIF:EasyREF:15.3TOP:3

Altocumulus, altostratus, cirrocumuls, cirrostratus, cirrus, cumulonimbus, cumulus, nimbostratus, stratocumulus, stratus 8.) clouds with tallest vertical development 9.) low altitude clouds in solid layers that produce rain 10.) high altitude thin flat layers of clouds 11.) rain clouds that form under stable atmospheric conditions 12.) middle altitude clouds with globular appearance