Biology Chapter 24

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What are the 4 major concerns regarding air pollution?

1.Global Warming

2.Destruction of the ozone layer

3.Acid precipitation

4.Smog production
What do Greenhouse gases do?

They trap heat from escaping the atmosphere and cause the atmosphere to heat up. (ex.Water vapor, Carbon dioxide, Methane)
What is the Greenhouse effect?

It's when the gases let sunlight through, but trap heat from radiating outward into space
What is the greenhouse effect responsible for?

Global warming
Which 2 human activities increased the levels of Carbon Dioxide?

1.Deforestation

2.Burning of fossil fuels
What is ozone?

In two different atmospheric locations

Protective shield in the stratosphere, shields the Earth surface from UV ray lights
What happened to the stratospheric ozone layer?

Depleted by reaction with CFCs
What's Earths distribution of water?

Fresh Water: <1%

Salt Water: 97%

Glaciers/Polar Ice Caps: 2%
Does industrial countries use 10 to 100 times more water than less industrialized countries?

Yes
What did combined sewage overflow (CSO) create?

Storm water combined with sewage
What are the Human diseases spread by CSO-carried pathogens?

1. Gastreoentrities

2. Ear and eye infections

3. Skin infections

4. Respiratory infections
Where are organic pollutants from?

Sewage and industy
What are inorganic pollutants?

nitrates

phosphate fertilizers

sulfates from detergents
What is desertification?

Transformation of marginal land into near desert conditions, unsuitable for future agriculture
What are renewable resources?

Biomass fuels

Hydroelectric power

Wind farms

solar energy

geothermal energy
What is biodiversity?

species richness, the assortment of living organisms on earth

represents the variety of all forms of life
What causes overexploitation of natural resources?

Farming and overfishing
What activities cause exploitation of scarce forest resources?

Logging and deforestation

Author

gabby12142

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Card Set

Biology Chapter 24

Description

chapter 24 bio

Updated

2014-02-10T02:46:05Z

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