The main properties of cosmic ray particles are
A. its electric charge
B. its rest mass
C. its energy
D. All of these are its properties
Answer: Option D
A. its electric charge
B. its rest mass
C. its energy
D. All of these are its properties
Answer: Option D
Yokohama and Kobe are the main centres of ship building industry in:
A. Japan
B. South Korea
C. North Korea
D. China
A. Central America and Pacific Plate.
B. North America and Pacific Plate.
C. South America and Pacific Plate.
D. None of Above.
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