3 Deforestation would most immediately result in
(1) the disappearance of native species
(2) industrialization of an area
(3) the depletion of the ozone shield
(4) global warming
4 Toxic chemicals called PCBs, produced as a result of manufacturing
processes,
were dumped into the Hudson River. What was most likely a
result of this action
on fish in the Hudson River?
(1) Some fish became unfit to eat.
(2) The fish populations increased.
(3) Thermal pollution of the river increased,
decreasing the fish population.
(4) The carrying capacity for fish increased in the river.
5 Human impact on the environment is often more dramatic than the
impact of
most other living things because humans have a greater
(1) need for water
(2) need for food
(3) ability to adapt to change
(4) ability to alter the environment
