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
The Tsavo Man-Eaters on display in the Field Museum of Natural History in Chicago, Illinois.
Alexander Fleming photographed in his lab where he observed the natural competition between a fungus
A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ...
Evolution and Natural selection shapes organisms and diversity
The climate is changing rapidly, and greenhouse gases are the most likely cause.
The oceans continue to absorb most of the excess energy trapped by greenhouse gases