Chapter 3 exam Flashcards
part one
The MOST common cause of desertification of grasslands is:
overgrazing.
Many people in poor countries, like Haiti, will do whatever is necessary to help support their families. Forests in poor countries are often cut down to harvest for charcoal, use for farming, or harvest for lumber. What could we do to limit the destruction of forests in these countries?
encourage our government to provide them with financial support
purchase items made in those countries
help to sponsor their schools
educate the citizens about forests
Which sequence CORRECTLY lists the layers of Earth, starting with the core?
mantle, asthenosphere, lithosphere
Which forest type is NOT paired with its correct description?
boreal forest — thick soils from plant decomposition
Which factor is viewed as a human rights violation associated with mining?
displacement of farmers and communities,
violence to discourage protest,
and child labor in mines
Weathering and erosion in combination form:
soil.
______refers to unwanted electronic devices such as televisions, computers, and cell phones, which contain recoverable metals but also toxic chemicals.
E-waste
shelterbelts do what?
protect crops and grasses from wind damage
The three main causes of forest destruction are
wood harvesting, conversion to agricultural land, and urbanization.
rotational grazing is an example of?
sustainable grazing
What type of benefit would forest stands being considered sacred by native americans that then connects them to their past
sociocultural benefit
smelting is ?
the separation of metal from ore
The disadvantage to _____ harvesting is it leaves behind smaller, inferior tree species which may weaken the forest over time.
selective
Which forest type has the MOST fertile soil?
temperate
Gold and silver are commonly found in which product?
both electronics and jewelry