Answer the following in detail.
1. What is smog? How is it harmful? 2. Explain greenhouse effect and its consequences.
3. What is eutrophication? How does it affect aquatic life?
4. List the measures that you can take to prevent the Earth from becoming warmer. 5. What are the effects of drinking water contaminated with chemicals?
6. List the water purification processes. Describe any one of them.
Answers
Answer:
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Explanation:
1. Smog is air pollution that reduces visibility. Smog is formed when industrial emissions from power plants, factories, cars, and other sources react with heat and sunlight in the atmosphere. Smog is unhealthy to humans and animals, and it can kill plants. It can irritate your eyes, nose and throat.
2. The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere. The greenhouse effect is one of the things that makes Earth a comfortable place to live.
3. Eutrophication is an enrichment of water by nutrient salts that causes structural changes to the ecosystem such as: increased production of algae and aquatic plants, depletion of fish species, general deterioration of water quality and other effects that reduce and preclude use”.
4. Speak up! ...
Power your home with renewable energy. ...
Weatherize, weatherize, weatherize. ...
Invest in energy-efficient appliances. ...
Reduce water waste. ...
Actually eat the food you buy—and make less of it meat. ...
Buy better bulbs. ...
Pull the plug(s).
5. Chemical exposure through drinking water can lead to a variety of short- and long-term health effects. Exposure to high doses of chemicals can lead to skin discoloration or more severe problems such as nervous system or organ damage and developmental or reproductive effects.
6. There are several methods used in the water purification process, which include: (1) physical processes, such as filtration, sedimentation, or distillation; (2) biological processes, such as sand filters, active carbon; (3) chemical processes, such as flocculation, chlorination, the use of ultraviolet light.