Use the choices below to fill in the blanks. Minerals are _________ inorganic _________ that usually possess a crystalline structure and can be represented by a chemical formula.
-synthetic; solids
-synthetic; liquids
-naturally occurring; solids
-naturally occurring; liquids
-both naturally occurring and synthetic; solids
-naturally occurring; solids
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A figure skater rotating at 5.00 rad/s with arms extended has a moment of inertia of 2.25 kg?m2. If the arms are pulled in so the moment of inertia decreases to 1.80 kg?m2, what is the final angular speed?
A) 2.25 rad/s B) 4.60 rad/s C) 6.25 rad/s D) 1.76 rad/s E) 0.81 rad/s
Human hearing is best in
A) infrasonic sound. B) ultrasonic sound. C) both of these D) neither of these
The seriousness of an asteroid collision is gauged by the ______________ scale
Fill in the blank(s) with correct word
Answer the following statement(s) true (T) or false (F)
1. The three bulbs are in parallel. T or F? 2. In a circuit, all the current follows whatever is the path of least resistance.