Lesson 1 Flashcards
0
Q
Pesticides
A
Products used on crops to control insects and other pests.
1
Q
Pollution
A
Any dirty or harmful substance in the environment
2
Q
Acid rain
A
Rain that is more acidic than normal
3
Q
Smog
A
A yellow-brown haze that occurs when sunlight reacts with air pollution
4
Q
Ozone layer
A
A shield that protects living things from ultra-violet radiation
5
Q
Greenhouse effect
A
The trapping of heat by carbon dioxide and other gases in the air
6
Q
Global warming
A
A rise in the Earth’s temperatures
7
Q
Landfills
A
Huge pits where waste is dumped and buried
8
Q
Hazardous wastes
A
Human made solid or liquid wastes that can damage human health or the environment
