Humans can cause an ecosystem to collapse by
A.Collecting and chemically altering industrial waste to detoxify it.
B.Reducing habitat fradmentation.
C.Hunting a keystone species to extiction.
D.Building shelter belts next to farm fields.
A.Collecting and chemically altering industrial waste to detoxify it.
B.Reducing habitat fradmentation.
C.Hunting a keystone species to extiction.
D.Building shelter belts next to farm fields.