The sweeping of atmospheric gas particles into space by the Sun is referred to as
A) a solar flare
B) solar wind stripping
C) evaporation
D) thermal escape
Question 2
An ice skater performs a pirouette (a fast spin) by pulling in his outstretched arms close to his body. What happens to his moment of inertia about the axis of rotation?
A) It does not change.
B) It decreases.
C) It increases.
D) It changes, but it is impossible to tell which way.
