The huge numbers of humans on Earth are making enormous demands on the _________________.
Planet
100
What is a combination of smoke and fog?
Smog
100
What is a problem with cutting down forests?
Minerals and nutrients running off due to soil hardening due to tree roots not being present, less oxygen, destroying habitats.
100
Why is a spike in human population problematic?
Not enough space in cities, more pollution, not enough resources to support.
100
What is reforestation?
Planting of trees in areas where they have been depleted
200
What is an issue with reforestation?
Planting one species of tree.
200
What part of the Ocean sees major pollution?
The shore
200
How does lifestyle effect our Earth?
The use of automobiles, radios, television sets, labor-saving devices. The earth pays for these products to be made.
200
What is associated with better sewage options in communities/cities?
A higher cost for these services
200
The survival of humans and human society depends upon the survival of the other _______________ in the biosphere.
Organisms
300
Explain thermal pollution.
Heated water used to cool plants and then pumped back into the environment causing issues.
300
More than two thirds of the world's population lives on what continents/regions?
South America, Asia, Africa/Tropical
300
When certain pollutants in the air combine with water vapor to form droplets, this is called?
Acid Rain
300
What factors have helped decrease the death rate?
Changes in agriculture (better food), Quality/availability of medical treatment and medicine, physicians effectively treating diseases. Better nutrition and health has decreased infant mortality.
300
Sulfuric Acid and Nitric Acid are found in what?
Acid Rain
400
What is biodegradable waste?
Materials that can be degraded, or broken down, by microorganisms into the essential nutrients from which they were made.
400
When carbon dioxide holds in heat around the Earth, this is known as?
The Greenhouse effect
400
Around what geographical region have scientists discovered that the ozone layer is getting "holes" in it?
The poles
400
Materials released into the environment fall into two broad categories:___________________ and _________________
Biodegradable and nonbiodegradable
400
What is a nonbiodegradable product?
materials that cannot be broken down by natural processes or are broken down only very slowly.
500
When a layer of cool polluted air is trapped under warm air it is called?
Temperature inversion
500
When at each step of the food chain, the compounds are concentrated more and more, this is known as?
Biological Magnification
500
What are some of things affected by acid rain?
Trees, plants, Lakes, Rivers, Streams, etc.
500
What is DDT (In general)?
A pestecide
500
How many pieces does each player have when starting a game of backgammon?