Chapter 5 Land, Air and Water Resources Flashcards
What is the treatment step where filters and settling tanks remove solid materials from wastewater?
primary treatment
Who owns approximately half of the ocean’s surface water?
No one
What kind of water is 97% of water on earth?
saltwater
Strong hydrochonic acid can dissolve many substances. Which type of hazardous waste would this be?
curosive wastes
What group of gases causes the ozone hole?
CFCs
Which indoor air pollutant is formed when wood, coal, oil or gas is incompletely burned?
carbon monoxide
What type of landfill is muncipal solid waste stored in?
sanitary landfill
What is the process of restoring an area to a more natural, productive state called?
land reclaimation
What breaks down waste during secondary treatment of wastewater?
bacteria
What layer of the soil is made up of dead leaves and grass?
litter
What is it called when soil becomes less fertile?
nutrient depleation
What is temperature inversion?
When warm air is trapped close to earth’ surface
What is an upwelling?
when warm water moves out into the open ocean, caused by wind
What is incineration?
The burning of solid wastes
