Pulsars are. I. Source of radio-waves. II. Rapidly rotating neutron stars with intense magnetic field. III. So compressed that electrons and protons are forced to combine to form neutrons. Which combinations is correct?
I and III only
I and II only
I only
I, II and III
A
I and III only
B
I and II only
C
I only
D
I, II and III
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Solution
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Pulsars are neutron stars that emit radiations including radiowaves.
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