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# aurora borealis

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Senior Manager
Joined: 31 Jul 2006
Posts: 440

Kudos [?]: 56 [0], given: 0

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30 Sep 2006, 12:07
Another answer I don't fully understand.

If I join to affect/to induce with AND what about AND corrosion?

So is it more proper to say:

Something is enough to affect X and induce Y and Z
vs
Something is enough to affect X, induce Y and Z
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Senior Manager
Joined: 30 Aug 2006
Posts: 373

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30 Sep 2006, 13:46
i got this question qrong the first time too , because i misunderstood the sentence in the same way you have. the electric currents cause the blackouts AND the corrosion, i.e. the corrosion is a secondary cause of the aurora, not a direct one.

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VP
Joined: 21 Aug 2006
Posts: 1012

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30 Sep 2006, 22:29
I think it can be written in two ways:

1. to affect...., to induce
2. to affect.....and induce

E follows the 2nd way.
_________________

The path is long, but self-surrender makes it short;
the way is difficult, but perfect trust makes it easy.

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Intern
Joined: 18 Oct 2006
Posts: 32

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01 Nov 2006, 17:20
exact same problem here....the 2nd "and" totally throw me off.

What is the best way to tackle this type of situation?

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Manager
Joined: 16 Oct 2006
Posts: 161

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01 Nov 2006, 18:49
Yes E is..

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Intern
Joined: 01 Nov 2006
Posts: 5

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01 Nov 2006, 19:17
Tricky but I also say E.
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Expecto Petronum

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01 Nov 2006, 19:17
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