In the 1970s and 1980s, CFCs were widely used in ________
A) refrigerators and aerosol cans B) light bulbs and electronics
C) coal-fired power plants D) snowmobiles and motorcycles
A
Environmental & Atmospheric Sciences
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In the United States, wood and wood waste could account for 2% of energy use. How many Btus of energy are generated from wood and wood waste? State your assumptions.
What will be an ideal response?
Environmental & Atmospheric Sciences
Coal is a detrital (clastic) sedimentary rock. Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Groins are short walls built parallel to shore to keep sand from moving.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Global temperatures probably have not varied by more than ____ during the past 10,000 years
a. ?0.5°C b. ?1°C c. ?2°C d. ?4°C e. ?5°C
Environmental & Atmospheric Sciences