A model is essentially a simplification of natural systems
Indicate whether the statement is true or false
TRUE
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In the spirit of science, science-oriented people must be willing to consider ideas
A. of other regions. B. that are unpopular. C. they dislike. D. they cherish.
Why does the book say there are “two” ozone problems?
a) Because there are two sources of the gas implicated in thinning the ozone layer. b) Because there are two kinds of gases implicated in thinning the ozone layer. c) Because there is a thinning of the upper atmosphere ozone layer and increasing ozone at ground level that produces photo-chemical smog. d) Because ozone holes occur in two places above the earth, over the north and south poles.
Sustainable development involves ________
A) larger buildings using stronger design and materials B) developing better transportation by building more roads C) reducing consumption, increasing efficiency, and using renewable energies D) searching for more deposits of fossil fuels E) using all resources at maximum rates
In the name 2-methyl-2-propenal the numbers represent which of the following?
A) the position of the methyl substituent and the position of the carbonyl group B) the position of the methyl substituent and the position of the alkene double bond C) the position of the carbonyl group and the position of the alkene double bond D) None of the above, since the name does not correspond to a real compound.