“10-a-day from now ‘til May”
- If wastewater treatment plant effluent contains nitrates and phosphates is allowed to flow into a body of water, which of the following may result?
- Chlorination
- Decomposition
- Eutrophication
- Oxygenation
- Methylation
- Which of the following describes a fundamental characteristic of the green revolution in food resources?
- The application of higher levels of fertilizers to increase rice production.
- Deforestation to provide field crops with increased sunlight for photosynthesis.
- The addition of calorie, fat, and fiber percentages to the information provided on food packaging labels.
- The development of new strains of crops with higher yields.
- The discovery that chlorophyll adds nutritional value to wheat, rice, and sorghum.
- The major source of radon in houses in the United States is
- Furniture and carpets
- The underlying bedrock
- The troposphere
- Nuclear power plants
- Fossil-fuel combustion
For questions 4-5, use the graph below:
- The data in the graph can be useful in explaining the greenhouse effect when they are compared to
- Volcanic activity
- Sunspot activity
- Mean global temperatures
- Annual nitrous oxide production
- Cycles of flooding and drought
- The annual fluctuation in carbon dioxide concentration can best be explained by the
- Seasonal use of fossil fuels
- Regularity of volcanic activity
- Deforestation in the tropics
- El Nino events
- Seasonal photosynthetic activity of green
plants
- The major health problem related to radon accumulation is
- Lung cancer
- Heart disease
- Pancreatic cancer
- Cataracts
- Malignant melanoma
- Which of the following is a process that indirectly removes carbon from the Earth’s atmosphere?
- Formation of carbonate deposits
- Outgassing by volcanoes
- Respiration by mammals
- Respiration by anaerobic bacteria
- Photodissociation by light
- Why do introduced species often become pests?
- They displace native species
- They increase biodiversity
- They do not adapt well to local habitats
- They contribute to habitat fragmentation
- They have low biotic potential
- Regulations that deal directly with the disposal of hazardous materials in the United States include which of the following?
- RCRA
- Clean Water Act
- Clean Air Act
- I only
- II only
- III only
- I and II only
- I, II, and III
- Which of the following best illustrates the concept of the tragedy of the commons?
- Destruction of landscape by surface mining on private land
- Selective harvesting of trees by a timber company in a national forest
- Legislation of catch limits to avoid depletion of fish stocks in a shared lake
- Inadvertent destruction of beneficial species while attempting to control pests
- Depletion of an aquifer by regional farmers