Chapter 21 Flashcards
1
Q
Pollution
A
An unwanted change in the environment caused by substances or forms of energy.
2
Q
Renewable resource
A
A natural resource that can be replaced at the same rate at which the resource is consumed.
3
Q
Nonrenewable resource
A
A resource that forms at a rate that is much slower than the rate at which it is consumed.
4
Q
Overpopulation
A
The presence of too many individuals in an area for the available resources.
5
Q
Biodiversity
A
The number and variety of organisms in a given area during a specific period of time.
6
Q
Conservation
A
The preservation and wise use of natural resources.
7
Q
Recycling
A
The process of recoveri valuable or useful materials from wast or scrap.
