Chapter 21 Lesson 1 Flashcards
0
Q
Pesticides
A
Chemicals meant to kill bugs/pests
1
Q
Pollution
A
The presence or introduction of harmful substances into the environment
2
Q
Acid rain
A
Rain containing harmful chemicals
3
Q
Smog
A
Thick smoke from cars/etc
4
Q
Greenhouse Effect
A
The heating of the earth caused by gases in our atmosphere
5
Q
Biodegradable
A
Broken down easily in the environment
6
Q
Conservation
A
Saving of resources
7
Q
Precycling
A
Reducing waste before it occurs