10 F = -12.2 C
20 C = 68 F
So the answer is A. 10-F
Mexico City is the location that has the highest population density. It is one of the most crowded cities in the world, so it is only natural that this is the correct answer here as well.
Gravity is stronger, the closer the two objects are to each other - that's why you can "escape the Earth's gravity" if you go far enough from it.
So we have to look for the date with the shortest distance - it's 24th December 2010, when the distance was only 368000 km.
No hahahhahahhaha hehhe stay lost ;)