12) Balancing
with
is part of the ideals of the principles of sustainability. Without a particular balance, such as
practicing sustainable forestry, humans will use more trees than are grown. Theoretically, we would run out of large enough trees
to harvest. Also, the loss of habitats for a large variety of species will disrupt the natural cycle of the forests being depleted.
A)
top soil; tree growth
B)
forest health; building roads
society's needs; forest health
D)
habitat destruction; loss of species