- Habitat loss of rain forest in Madagascar has led to the extinction of many of its ________ species.
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Insecticides such as DDT are so damaging to predators because
- Ozone depletion is dangerous because ozone
- The greenhouse effect is caused by excess ________ in the atmosphere.
- Which of the following can cause acid precipitation?
- Solar and wind energy are considered to be
- Ethanol can be produced for use as a biomass fuel by which process?
- Captive breeding has been used to increase genetic diversity of the
- A pioneer in restoration ecology is
- Marion Stoddard was responsible for cleaning up