Which one of the following holds the atmosphere around the earth?
A. Gravitational force of the moon.
B. Gravitational force of the earth.
C. Gravitational force of the sun.
D. Gravitational force of the sun, moon and earth.
Answer:B
Which one of the following holds the atmosphere around the earth?
A. Gravitational force of the moon. B. Gravitational force of the earth. C. Gravitational force of the sun. D. Gravitational force of the sun, moon and earth.