1. An atmospheric layer that protects Earth from harmful solar radiation (1 point) O acid rain
O biosphere
Ogreenhouse gasses
Oozone
2. The maximum population that an area can support (1 point)
O carrying capacity
Odensity
O logistic growth
O sustainability
3. Contaminants in the air, ground, or water that come from a single identifiable cause
Oeutrophication
Opoint-source pollution
Osunspots
Owaste incineration
4. Management of land and resources for future human use (1 point)
O conservation
O migration
O precipitation
O preservation