Homework Help: science plz help

Posted by miriam on Tuesday, March 12, 2013 at 10:36am.

Identify the one statement that is incorrect?
all but one of the following statement about the melting and crystallization of magmas is correct.identify the one statement that is incorrect.
1)the presence of water decreases the melting temperature of magma.
2)the upper part of magma in a magma chamber will be richer in felsic minerals than mafic minerals.
3)sodium rich felspar melts at lower temperatures than calcium rich feldspar .
4)the residue in a magma chamber will become progressively rich in felsic mineral as magma migrates away.
5)mafic magma crystallize at higher temperatures than felsic magmas.
plz help i need the correct answer.thanks

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