Chapter 17, Questions 2, 3, and 5, Problem 13 on pages 556-557, and Chapter 18,
Questions 4 and 5 on page 570
2. Incinirating solid waste can rwelease dioxins and othertoxic fumes into the air, which
leads to pollution.
3. To prevent groundwater contamination, modern klandfills are sited on land distant from
active groundwater locations and asre lined with clay and plastic liners.
5, Most of the heat generated by the burning wood is lost through the chimney instead of
being used to hea up the room.
4. These regions of high volcanic activity are at the junctions of tectonic plates.
5. Geopthermal energy emits gasses like carbon dioxide and hydrogen silfide. It can also
cause the ground to sink as the water is being removed. The minerals from hydrothermal
sources can contaminate soil or poison fish.
