Our Impact on Land, water, and air

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Presentation transcript:

Our Impact on Land, water, and air

Our Impact on Land Chapter 20

Where is most of the trash in the United States disposed of? landfills Where is most of the trash in the United States disposed of?

recyclable What do we call an object that can be processed in some way so that it can be used again?

What is about 40% of the mass of our trash made up of? paper What is about 40% of the mass of our trash made up of?

HAZARDOUS WASTE Enzyme metals compost Which of the following might be poisonous, cause cancer, or catch fire?

What is used to cover daily deposits of trash in a landfill? soil What is used to cover daily deposits of trash in a landfill?

They will run out. If an environment exceeds its carrying capacity, what will happen to its resources?

What prevents soil from being carried away through erosion? Plant roots

What kind of items often are found in a compost pile? leaves What kind of items often are found in a compost pile?

Overflowing garbage dumps Which of the following is a result of today’s throwaway lifestyle?

Feeding livestock farming destruction of rain forests USING MASS TRANSIT Which of the following most positively impacts Earth’s land and natural resources?

What human practices aid in protecting the environment?

Lining the landfills One way to prevent liquid wastes from sanitary landfills from draining into the ground water is by ____________________.

You can recycle grass clippings by making compost out of the clippings. Recycling, reducing, and reusing materials are important ways to conserve natural resources. How can you recycle yard waste, such as grass clippings?

Human impact on water and air Chapter 21

Which is most responsible for city smog? cars Which is most responsible for city smog?

What forms when pollutants react in the presence of sunlight? Photochemical smog What forms when pollutants react in the presence of sunlight?

What describes substances with a low pH? acidic What describes substances with a low pH?

What combines with moisture in the air to form acid rain? Sulfur oxides What combines with moisture in the air to form acid rain?

What is the largest source of water pollution in the United States? sediment What is the largest source of water pollution in the United States?

particulate What kind of pollution are airborne solids that range in size from large grains to microscopic?

What causes algae to grow? fertilizers What causes algae to grow?

Water pollution Control Act Which act gives money to local governments to treat wastewater?

Oil dripping onto pavement eventually pollute a stream because when it rains, runoff can carry the oil into streams. Water pollution comes from industrial discharge; runoff of pesticides and fertilizers from lawns and farms; and water from your home. How can oil dripping onto pavement eventually pollute a stream?