Chapter 18
Soil Protection and Solid Waste Management

Find the correct answer for each question.

1. Incineration is

   1.   ?    Burning of waste at very high temperatures
   2.   ?    Heating of contaminated soil to make toxic compounds less toxic
   3.   ?    Injecting air into contaminated soil which in combination with bacteria will neutralize many toxic compounds

2. Brownfields are:

   1.   ?    Fertile soils with high concentrations of organic matter
   2.   ?    Soils where industrial activity has taken place with contamination and pollution as possible results
   3.   ?    Land areas in urban areas that is unsuitable for development

3. Metallophytes are:

   1.   ?    Plants which are extremely sensitive to heavy metals.
   2.   ?    Plants which can grow also on soils with high concentration of metals.
   3.   ?    Plants with high natural concentrations of inherent metals.

4. How much solid waste is generated on average by a person in the Baltic sea region every year?

   1.   ?    500 kg
   2.   ?    1000 kg
   3.   ?    2000 kg

5. Phytoremediation is:

   1.   ?    A technique to clean contaminated soil by using plants that accumulate pollutants.
   2.   ?    An incineration process for handling of waste by mixing the refuse with high concentration of garden waste.
   3.   ?    Plants with high natural concentrations of inherent metals.

6. Biodegration means that:

   1.   ?    Contaminants during certain biological circumstances can be mineralized
   2.   ?    Soils become less fertile as a consequence of pollution
   3.   ?    Reproduction is disturbed and offspring is damaged as a consequence of pollution

7. Which of the substances below can be found in paint?

   1.   ?    Mercury
   2.   ?    Cadmium
   3.   ?    Chromium

8. Which of the substances below can be found in batteries?

   1.   ?    Mercury
   2.   ?    Cadmium
   3.   ?    Chromium

9. Which component below make up the largest share of typical urban refuse in industrialized countries?

   1.   ?    Paper
   2.   ?    Food waste
   3.   ?    Plastic

10. Mineral soils are:

    1.   ?    Soils with a high content of metals.
    2.   ?    Soils with a low concentration of organic matter
    3.   ?    Soils with a high concentration of salt