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
Regulation of Blood pH and Gases
The birth weight of human infants is tightly constrained by natural selection.
Structural similarities between antimetabolites and their natural counterparts.
Natural selection acts on genetic variation
Evidence of natural selection: Canis lupus familiaris
Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes, 4th Edition