Unlike Earth, Mars' seasons are affected (enhanced and diminished) by the distance between Mars and the Sun. This is because:
A) Earth is closer to the Sun to begin with.
B) an Earth year is shorter.
C) Mars is tilted more on its axis than Earth is.
D) the orbit of Mars is significantly more elliptical.
E) Mars gets closer to the Sun than the Earth does.
Question 2
In a hydrogen atom, a transition from the third to the second energy level will produce:
A) a red emission line.
B) a blue green absorption line.
C) a violet emission line.
D) an infrared emission line.
E) an ultraviolet absorption line.