Aerosols are
A. The principal gas involved in global warming
B. Gases produced by industry
C. Tiny particles and droplets suspended in the air
D. Tiny droplets of a very specific chemical composition
E. The principal gas involved in the greenhouse effect
Answer: C
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A(n) environmentally ____________________ economy neither depletes natural resources nor pollutes at levels that overwhelm the ability of ecosystems to absorb waste.
Fill in the blank(s) with the appropriate word(s).
There is some evidence that some aerosols and suspended particles in outdoor air pollution may actually slow the rate of atmospheric warming. Why do some scientist expect that these particles will not have a significant effect on counteracting projected climate change within the next 50 years?
What will be an ideal response?
Which of the following characterizes the chinook wind that blows into southern Alberta?
A. cold and dry B. warm and moist C. warm and dry D. cold and damp
You examine an igneous rock that has mineral grains which are 2.5 cm in size (large), and are primarily dark green and black color. Which statement concerning the rock is not accurate?
A. A likely rock name for this specimen would be a gabbro. B. The textural classification of the rock would be coarse grained. C. This rock likely has minerals with chemical elements like iron and magnesium in them. D. The composition of the magma that formed this rock would be Felsic. E. This rock would be classified as a plutonic rock.