1
A species present in such small numbers that it is at risk of extinction.
2
An increase in the average temperature of the earth's atmosphere.
3
a change in the world's climate
4
Removing and destroying or storing dangerous products. Disposal includes burning, burial at landfill sites or at sea, and recycling.
5
The combination of external physical conditions that affect and influence the growth, development, behavior, and survival of organisms
6
The activity or process of extracting and reusing useful substances found in waste.
7
System involving the interactions between a community of living organisms in a particular area and its nonliving environment
8
The act or process of polluting of soil, water, or the atmosphere by the discharge of harmful substances.
9
To keep from being damaged
10
The relationship between organisms and their environment.
11
The waste matter from domestic or industrial establishments that is carried away in sewers
