278 Green Chemistry, 2nd ed
- What is FeS 2? Why is its exposure from mining a potential problem?
- Give an example of an air pollutant and of a water pollutant that may be generated
by sanitary landfills. - How is soil divided? Which is the top one of these divisions?
- What is humification, and what does it have to do with soil?
- What is water in soil called? Give the name of the process by which this water enters
the atmosphere by way of plants. - In what respects is conservation tillage consistent with the practice of green
chemistry? - Explain why corn is especially amenable to the production of hybrids.
- How do human activities affect the nitrogen cycle?
- Name a gaseous form and two solid forms of fixed nitrogen used as fertilizer.
- How are phosphate minerals treated to make the phosphorus more available to
plants? - Name a pollutant that was once commonly transferred from the atmosphere through
the atmosphere to soil. Why is this pollutant no longer such a problem? - Explain relatively high levels of PCBs and similar persistent organic compounds in
remote arctic regions. - Explain what is meant by desertification.
- What is the good news in the U. S. regarding deforestation?
- What is the potential use of perennial plants in grain production?
- Give the meaning of transgenic.
- What are the two main qualities currently developed in transgenic field crops? What
are some other possibilities? - Explain the importance of Bacillus thuringiensis and glyphosate in transgenic
crops. - Why is the potato not a very good candidate for Bt insecticide?
- What is a potential environmental problem with Bt corn?
- Name a concern with transgenic crops, such as squash, that are virus resistant.
- How might transgenic crops be used to produce vaccines?