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The population of peregrine falcons declined rapidly during

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Senior Manager
Joined: 19 Feb 2004
Posts: 413

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Location: Lungi
The population of peregrine falcons declined rapidly during [#permalink]

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01 Apr 2004, 07:22
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The population of peregrine falcons declined rapidly during the
1950's and 1960's and reached an all-time low in the early 1970's.
The decline was attributed by scientists to the widespread use of the
pesticide DDT in rural areas.
Which of the following , if true, gives the strongest support to the
scientists claim?
(A) DDT was not generally in use in areas devoted to heavy industry.
(B) In the time since the use of DDT was banned in 1972, the
population of peregrine falcons has been steadily increasing.
(C) Peregrine falcons, like other birds of prey, abandon eggs that
have fallen out of the nest, even if the eggs remain intact.
(D) Starlings, house sparrows, and blue jay-birds the peregrine
falcon prey on-were not adversely affected by DDT in their habitats.
(E) Other birds of prey, such as the osprey, the bald eagle, and the
brown pelican, are found in the same areas as is the peregrine falcon.

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Joined: 27 Feb 2004
Posts: 185

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Location: illinois

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01 Apr 2004, 15:23
B again ...You posted this before..

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Senior Manager
Joined: 19 Feb 2004
Posts: 413

Kudos [?]: 39 [0], given: 0

Location: Lungi

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03 Apr 2004, 22:14
yes OA is B.

Kudos [?]: 39 [0], given: 0

03 Apr 2004, 22:14
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The population of peregrine falcons declined rapidly during

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