What conclusions can you make from examining the graph? 
A. Ecosystem "c" is used by humans about twice as much as ecosystem "d".
B. Ecosystem "a" has the most threatened plant species.
C. Ecosystem "a" has the most biodiversity.
D. Humans use ecosystem "a" much more than ecosystem "b".
E. None of these conclusions is supported by the data.
Answer: B
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Why do many countries feel Russia's supply of oil and natural gas to be unreliable?
Oceans are less likely than land masses to be monitored for weather conditions
Indicate whether the statement is true or false
A literary tradition is
A) a form of a language intended to be printed in official government documents. B) specific only to Shakespearian English. C) a collection of languages related to one other. D) the written form of a language. E) the variety of dialects in a language used in obscure examples of poetry.
Jellies are an example of which of the following?
A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians