The body which wiped out the dinosaurs was about:
A) as big as our Moon.
B) as big as one of Mars' moons.
C) a few hundred meters across.
D) as big as a 747.
E) as big as an SUV.
Question 2
Rank these magnetic fields, from weakest to strongest.
A) Venus, Mars, Mercury, Earth
B) Mars, Mercury, Venus, Earth
C) Earth, Venus, Mars, Mercury
D) The Moon, Mercury, Mars, Venus
E) Mars, Venus, Earth, Mercury