The base of a cumulus cloud was determined to be 500
meters above the earth's surface. this is the altitude at
which
a) cumulus clouds always form
b) no dust is present in the air
c) the air temperature drops below 0°c
d) the air temperature equals the dewpoint
temperature

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.