Which of the following best describes air pollution?
A) Both natural and anthropogenic gases, particles, and other substances in amounts that cause damage to the environment or are harmful to humans.
B) Solely anthropogenic gases, particles, and other substances in amounts that cause damage to the environment or are harmful to humans.
C) Solely natural gases, particles, and other substances in amounts that cause damage to the environment or are harmful to humans.
D) A distinct class of gases, particles, and other substances that the EPA has deemed worthy of regulating.
Question 2
Weather is the long-term average conditions and extremes in a region.
Indicate whether the statement is true or false
Continuous variation in a natural population
Many Natural Resources Can Be Sustained
When a Tornado Strikes: Social Organization Following a Natural Disaster
Natural Resources and Industry
Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes, 4th Edition