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Some organizations are buying up sections of forest land. Once purchased, these sections of forest will never be cut down. The main reason for protecting these sections of forest is to
maintain the diversity of the living environment
Future ecosystems will be stressed and many animal habitats may be destroyed.
protecting native flowers and grasses in the area
leave the clippings to decompose in the lawn to form materials that enrich the soil
increasing human population
gasoline is made from petroleum, a nonrenewable resource
heat household water with solar radiation
a trade-off
Which statement is a valid inference that can be made if the human population continues to grow at a rate similar to the rate shown between 1000 A.D. and 2000 A.D.?
maintain the diversity of the living environment
Future ecosystems will be stressed and many animal habitats may be destroyed.
protecting native flowers and grasses in the area
leave the clippings to decompose in the lawn to form materials that enrich the soil
increasing human population
gasoline is made from petroleum, a nonrenewable resource
heat household water with solar radiation
a trade-off
Some homeowners mow their lawns during the summer, collect the grass clippings and dispose of them in a landfill. Instead of taking the clippings to a landfill, a more ecologically sound procedure would be to
maintain the diversity of the living environment
Future ecosystems will be stressed and many animal habitats may be destroyed.
protecting native flowers and grasses in the area
leave the clippings to decompose in the lawn to form materials that enrich the soil
increasing human population
gasoline is made from petroleum, a nonrenewable resource
heat household water with solar radiation
a trade-off
Which of the following long-term changes could directly cause the other three?
maintain the diversity of the living environment
Future ecosystems will be stressed and many animal habitats may be destroyed.
protecting native flowers and grasses in the area
leave the clippings to decompose in the lawn to form materials that enrich the soil
increasing human population
gasoline is made from petroleum, a nonrenewable resource
heat household water with solar radiation
a trade-off
Which human activity would have the most positive effect on the environment of an area?
maintain the diversity of the living environment
Future ecosystems will be stressed and many animal habitats may be destroyed.
protecting native flowers and grasses in the area
leave the clippings to decompose in the lawn to form materials that enrich the soil
increasing human population
gasoline is made from petroleum, a nonrenewable resource
heat household water with solar radiation
a trade-off
Farming reduces the natural biodiversity of an area, yet farms are necessary to feed the world's human population. This situation is an example of
maintain the diversity of the living environment
Future ecosystems will be stressed and many animal habitats may be destroyed.
protecting native flowers and grasses in the area
leave the clippings to decompose in the lawn to form materials that enrich the soil
increasing human population
gasoline is made from petroleum, a nonrenewable resource
heat household water with solar radiation
a trade-off
In order to reduce consumption of nonrenewable resources, humans could
maintain the diversity of the living environment
Future ecosystems will be stressed and many animal habitats may be destroyed.
protecting native flowers and grasses in the area
leave the clippings to decompose in the lawn to form materials that enrich the soil
increasing human population
gasoline is made from petroleum, a nonrenewable resource
heat household water with solar radiation
a trade-off
One likely reason some experimental automobiles have been developed to use electricity rather than gasoline is that
maintain the diversity of the living environment
Future ecosystems will be stressed and many animal habitats may be destroyed.
protecting native flowers and grasses in the area
leave the clippings to decompose in the lawn to form materials that enrich the soil
increasing human population
gasoline is made from petroleum, a nonrenewable resource
heat household water with solar radiation
a trade-off
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