Human Impact Crossword

caused by the release of sulfur dioxides and nitrogen oxides into the atmosphere
Organizisms killed for personal gain
Increase of the earth's average temperature is called?
Large amounts of water taken from a lake are used to cool machinery. That water is dumped back into the lake. This is called?
Resources that are used more than once
A natural predator is used to control pests
Any factor that halts the growth of population
technique used to help reduce erosion by planting crops to cover the field
Low crop yield and nutrient-deficient land are caused by?
Resources that once used, they are gone
Release of toxins into the atmosphere, making it less fit for living organisms
Any harmful material that can enter the biosphere through land, water or air is called?
Plants or animals that have been introduced into a place where they are not native
The burning of fossil fuels has resulted in?