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The silica content of magma greatly affects its viscosity. Magma with a high silica content has a? Diameter of a wheel 80cm. If the wheel rotates through an angle of 200degrees, how many cm does it move? Show steps please!? W800: How many degrees C° does w800 reach? Make a conjecture about the next item in the sequence.1, -4, 9, -16,? If a+b+c=4, ab+ac+bc=6, and abc=3, what is 1/a + 1/b + 1/c?