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OpenStudy (anonymous):

Many extrusive volcanic rocks contain holes which have formed from: acidic reactions escaping gases quartz crystals underwater eruptions

OpenStudy (anonymous):

This should be in a different subject, but it is Escaping gases

OpenStudy (anonymous):

Do you know why it is Escaping Gases?

OpenStudy (anonymous):

yea i think because the gases are so hot it makes hles and im ne here i dont know how to change the subject

OpenStudy (anonymous):

Up where you get messages and notifications, there is a tab that says FInd More Subjects, click that and you can go to any subject from there.

OpenStudy (anonymous):

thanks soo much

OpenStudy (anonymous):

Also, when bubbles pop, their circles, and they form the holes!

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