A.A kind of alluvial soil
B.The fine sand found in the desert.
C.The sand the Mediterranean winds blow up.
D.A fine dust that covers the land in interior China.
A.A lake is small and a tank is big.
B.A lake has flowing water, a tank has still water.
C.A lake is a Geographical feature, a tank is not
D.Both are land-enclosed water bodies, but the latter is a manmade.
A.By rivers depositing their sand and silt on the land during floods.
B.By the smow melting and moistening the soil.
C.By heavy rains making the soil marshy.
D.By winds depositing a fine sand on the plains.
A.5000 degrees F
B.6000 degrees F
C.7000 degrees F
D.212 degrees F