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Politicians's Claim!!

Expert replies
by Ozlemg » Sun Jul 10, 2011 9:47 am
If the forest continues to disappear at its present pace, the koala will approach extinction," said the biologist. "So all that is needed to save the koala is to stop deforestation," said the politician.

Which one of the following statements is consistent with the biologist's claim but not with the politician's claim?

(A) Deforestation continues and the koala becomes extinct.
(B) Deforestation is stopped and the koala becomes extinct.
(C) Reforestation begins and the koala survives.
(D) Deforestation is slowed and the koala survives.
(E) Deforestation is slowed and the koala approaches extinction


Why not E correct?

OA B
Last edited by Ozlemg on Sun Jul 10, 2011 11:57 pm, edited 1 time in total.
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Source: — Critical Reasoning |

by mriiidula » Sun Jul 10, 2011 9:54 am
I think its D..whats the OA?
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by dinaroneo » Sun Jul 10, 2011 5:01 pm
IMO :C

Koala Extinction ('KE') (Suficient condition) --> Deforestation('D') (Necessary Condition)

Contrapositive of this:

D(Negated) --> KE(Negated)
D(Negated)=>Reforestation
KE(Negated)=>Koala's survival

Whats the OA?
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