Pigeons navigate primarily by
A) a good memory.
B) a keen sense of smell.
C) magnetic sensors in their heads.
D) ultra-high-pitched sounds.
E) none of these
Correct Answer:
Verified
Q4: An iron rod becomes magnetic when
A)positive ions
Q5: An electron is shot through a spot
Q7: If a steady magnetic field exerts a
Q8: Magnetic field lines about a current-carrying wire
A)extend
Q10: The force on an electron moving in
Q11: Magnetic domains normally occur in
A)iron.
B)copper.
C)silver.
D)all of these
E)none
Q12: Which pole of a compass needle points
Q13: If a steady magnetic field exerts a
Q14: Magnetic compasses apparently were first used by
A)Columbus.
B)Greeks.
C)Australian
Q19: Like kinds of magnetic poles repel while
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