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
Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
The exhaust gases are pushed out of the cylinder by the piston on the exhaust stroke.
Water pollution types
Stages of Natural Birth "مراحل الولادة الطبيعية"
There Is a Difference between Natural and Added Sugars
Responses to artificial and natural selection