The fertility of the soil is an important factor in the selection of site for a fish pond because a fertile soil will
-
A.
encourage the growth of trees within the pond -
B.
stimulate growth of lower plants which are sources of food to fish -
C.
add mineralsto the water for the fishes resistance to diseases -
D.
prevent the pond from drying up -
E.
lower the temperature of pond water for the survival of fish