Analyzing Air Pollution Page 2
What happened to CFC amounts for the years 1975 to
19912
What happened to CFC amounts for the years 1991 to
2015
Which health benefit is most likely to occur due to
reductions in air pollution such as CFCS?
In 1978 the United States banned the use of
chlorofluorocarbons (CFCSCFCs are gases
found in hairsprays and coolants that damage the
atmosphere in 1987. CRCs were banned around
the world use the graph to answer the following
questions about changes in CFC levels

The movement of tectonic plates in two different locations is shown below: two blocks labeled location a and location b are shown. at location a the top layer of the block shows two horizontal arrows pointing towards each other. small dunes are shown in the middle between the two arrows. the block labeled b has a vertical line in the middle. on the left of the line there is an arrow pointing down. on the right of the vertical line there is an arrow pointing up which statement is most likely true? subduction may occur in both locations. earthquakes may occur in both locations. subduction may occur in location a only and a volcanic eruption may occur in location b only. an earthquake may occur in location a only and a volcanic eruption may occur in location b only.

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

Drag each tile to the correct box. match the given symbol or molecular formula to the term that best describes it. element -organic compound -inorganic elemental molecule -inorganic compound -answers given: so2, k, ci2, c6h6