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# it is theoretically possible

Author Message
Manager
Joined: 07 Feb 2010
Posts: 155

Kudos [?]: 741 [0], given: 101

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11 Nov 2010, 08:40
00:00

Difficulty:

(N/A)

Question Stats:

100% (01:12) correct 0% (00:00) wrong based on 5 sessions

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can some one explain this
[Reveal] Spoiler: OA

Attachments

Document1.pdf [73.61 KiB]

Kudos [?]: 741 [0], given: 101

Intern
Joined: 18 Jul 2010
Posts: 47

Kudos [?]: 33 [1], given: 6

Re: it is theoretically possible [#permalink]

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11 Nov 2010, 09:25
1
KUDOS
Hi!
The question is: is there at least one bacteria from Mars on Earth?

We know that the bacteria really looks like each other. If one bacteria came from Mars to Earth, it would have been really different from the others.

However, what if all bacteria on Earth came from Mars?

a YES to this question would contradict the conclusion that says that there are no bacteria from Mars on Earth!

Hope it helps

Kudos [?]: 33 [1], given: 6

Re: it is theoretically possible   [#permalink] 11 Nov 2010, 09:25
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