The negative impacts of ozone pollution on forests are expected to increase as
A) ocean levels rise and wind patterns shift.
B) organisms spread northward because of warming climate conditions.
C) the increasing demand for timber further stresses the growth of trees.
D) temperatures increase and precipitation becomes more unpredictable.
Question 2
Private conservation efforts to protect against the private development of land have relied upon the formation of
A) new national parks.
B) federal wilderness areas.
C) land trusts.
D) city parks.
Deforestation in the forests of British Columbia.
Four levels of protein hierarchy
Only 750 mountain gorillas remain in two tiny forests in East Africa.
Stratospheric ozone depletion
Indoor air pollution in the developing world arises from fuelwood burning
An overview of the levels of organization in nature