Quasars were used to determine the size of the Local Supercluster
Indicate whether the statement is true or false
FALSE
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If the frequency of an electromagnetic wave increases, does the wavelength increase, decrease, or stay the same?
What will be an ideal response?
Based on everything you have learned about the formation of our solar system, which of the following statements is probably not true?
A) Only a tiny percentage of stars are surrounded by spinning disks of gas during their formation. B) Within a star's planetary system, all its planets will tend to orbit in the same direction and approximately the same plane. C) Planets are common, and many or most stars have them. D) Other planetary systems will have far more numerous asteroids and comets than actual planets.
A series RLC circuit has R = 200 
L = 40.0 mH, and C = 120 pF. What is the impedance of this circuit at resonance?
A. 18.0 k
B. 36.0 k
C. 400
D. 300
E. 200
The energy levels for electrons vary from one element to another
Indicate whether the statement is true or false