Individual efforts to reduce the volume of the waste stream
A. Have some effects, but we need to target industries to reduce their waste stream instead
B. Have enormous cumulative effects
C. Are fairly useful because it demonstrates to corporations that we care
D. Have little effect, but make people feel better
E. Matter very little
Answer: B
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The physical phenomenon that results from the spin of electrons that is found in some solids,
particularly iron, and moving electricity is known as ____________________. The zone around substances with this property is called a ____________________. Fill in the blank(s) with the appropriate word(s).
What two factors cause horizontal variations in air pressure?
a. thermal and dynamic b. thermal and static c. wind and rain d. cold air and warm air
A student scoops a bucket of water and sediment from the side of a stream. A second student scoops a bucket of water and sediment from the center of the stream. What is the most probable outcome?
A) The first student would have large rocks and boulders because the stream flow sweeps these out of the way and to the sides. The second student might have small rocks and pebbles because the stream wears the rocks down where it flows quickly in the middle. B) The first student would have mud and small rocks because the stream flows slowly at the sides. The second student might have mostly mud because mud settles to the bottom. C) The first student would have mud and small rocks because the stream flows slowly at the sides. The second student might have large rocks and pebbles because the stream probably flows more quickly in the middle. D) The first student would have mud and medium-to-large size rocks that get stuck in the mud at the sides. The second student might have pebbles.
What is the structure of carbon dioxide an example of?
A) An element B) An atom C) A compound D) A polar molecule