[单项选择]
How Ozone Pollution Works
Introduction to How Ozone Pollution Works
The weather report on the radio or TV tells you that it is going to be sunny and hot and that an orange ozone alert has been issued. What is ozone What does an orange alert mean Why should you be concerned about it
In this article, we will examine what ozone is, how it is produced, what health hazards it poses and what you can do to reduce ozone pollution.
Ozone is a molecule of three oxygen atoms bound together (O
3). It is unstable and highly reactive. Ozone is used as a bleach, a deodorizing agent, and a sterilization agent for air and drinking water. At low concentrations, it is toxic.
Ozone is found naturally in small concentrations in the stratosphere, a layer of Earth’s upper atmosphere. In this upper atmosphere, ozone is made when ultraviolet light from the sun splits an oxygen molecule (O
2), forming two single
A. Do not light fires or outdoor grills during afternoon and early evening hours in the late spring, summer and early fall.
B. Ride bicycles, dim the lights, and take fewer showers.
C. Do not fuel your car during afternoon and early evening hours in the late spring, summer and early fall.
D. Make sure that your tires are properly inflate