After examining the graph depicting total MSW generation and per capita generation, the main conclusion one can make is ________
A) humans are not recycling as much as they did previously
B) recycling of e-waste is having an effect
C) personal reuse and recycling efforts are having an effect
D) MSW generation continues to grow exponentially
E) per capita generation continues to grow exponentially
C
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The spatial mismatch hypothesis states that ________
What will be an ideal response?
Two chemical structures are shown, one of a typical gasoline molecule and the other of a typical motor oil molecule. Which is which?
Base your reasoning not on memorization but rather upon what you know about molecular interactions and the various physical properties of gasoline and motor oil.
A. Structure A represents the gas molecule because there are more bonds to gain energy from, giving it a higher energy content than oil. B. Structure B represents crude oil which is processed to generate longer molecules of gasoline to prevent toxic vapors from harming consumers. C. Structure B represents the oil molecule. Because oil molecules are smaller, they can compact closer together, giving the appearance of a thicker solution than gasoline. D. Structure A represents motor oil, illustrating a molecule with greater induced dipole-induced dipole molecular interactions; thus, the molecules are strongly attracted to one another.
What are amphibians?
A. invertebrates that live part of their lives in water and part on land B. invertebrates that live on land, near water C. vertebrates with secretory skin glands that makes them slimy D. vertebrates that live part of their lives in water and part on land E. vertebrates that live on land, near water
If the alcohol and acid which react to form an ester are part of the same molecule, the cyclic ester which is formed belongs to which class of compounds?
A) lactams B) lactanes C) lactones D) Esters, there is no special name for these compounds.