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The most viscous (sticky, silica-rich) magma results in rock that is:

Dark colored silicate minerals are generally:

Which of the following combinations represents the most likely association between a volcano type and rock type?

What are all the ways to get in touch with Jen? NOTE: Please select ALL that apply.

Attendance for lecture is mandatory (more than three absences from lecture will result in a final grade deduction), and all quizzes noted on the syllabus must be taken in order to pass the class. 

Balance: __ Ca(OH)2 + __ H3PO4 → __ Ca3(PO4)2 + __ H2O

Below is the Risk Register for several of the risks faced by Planet Popcorn, that was completed by all of your risk management professionals during our in-class group activity!    What Quadrant of Risk should the unidentified Risk ID #3 be labeled as? 

Which atom has the larger atomic radius?

Name the ionic compound PbO2:

A 160 mg sample with t1/2 = 20.0 min. Mass remaining after 60.0 min?