Earth's initial atmosphere formed from ________.
A) leftover gases from the nebula
B) the Sun's solar wind
C) outgassing
D) comet vaporization
Question 2
Judge the following sentence according to the criteria given below: A tidal bulge is created on the side of Earth facing away from the Moon BECAUSE the required centripetal force is greater than the provided gravitational force.
A) The assertion and the reason are both correct, and the reason is valid.
B) The assertion and the reason are both correct, but the reason is invalid.
C) The assertion is correct, but the reason is incorrect.
D) The assertion is incorrect, but the reason is correct.
E) Both the assertion and the reason are incorrect.