12 Questions
What are essential resources for life?
Air and water
What is an example of non-point source pollution?
Sediment from runoff
What causes photochemical smog?
Reaction of sunlight and pollutants
Who monitors pollutants in the US?
The Environmental Protection Agency (EPA)
How can water pollution be reduced?
Using less water
Which is not considered an essential resource for life?
Toxic chemicals
What is a sustainable practice that helps preserve topsoil and reduce environmental impact?
Using natural fertilizers
How have forests in the Eastern United States been managed to ensure sustainable yield?
They are now managed for sustainable yield
What is the environmental impact of land development for infrastructure and buildings?
It reduces underground water supplies
What is the most effective way to conserve land resources and reduce the need for new resources?
Recycling waste materials
What is a potential consequence of using landfills for disposing household garbage and waste?
Contribution to the need for new landfills as they fill up
How can farming practices using fertilizers, herbicides, and pesticides harm the environment?
They can harm the environment due to chemical pollution
Study Notes
- Air and water are essential resources for life, while fossil fuels, biomass, and minerals make living easier but are not essential
- Humans cannot survive without air and water for long, as they are required for cells to function
- Pollutants, such as microorganisms, toxic chemicals, metals, and radioactive substances, can contaminate air and water
- Point source pollution can be traced to a specific location, such as a drain pipe or a smoke stack, while non-point source pollution can't
- Examples of water pollution include sediment from runoff, pesticides that harm other organisms, fertilizers that cause algae blooms, heated water, oil and sewage leaks, and acid rain
- Air pollution can be natural or human-induced, with the burning of fossil fuels causing smog and acid rain, and photochemical smog formed by the reaction of sunlight and pollutants
- The Environmental Protection Agency (EPA) monitors pollutants in the US and federal and state governments have passed laws and regulations to reduce pollution
- Conserving water by using less, recycling, and reusing can help reduce pollution and make a difference.
Test your knowledge about the essential resources for life, air and water, and the pollutants that contaminate them. Learn about point source and non-point source pollution, examples of water and air pollution, and measures taken to reduce pollution.
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