Because that how is belonge
The prefixes:
Multi - means many
bi - means two
uni - means single
therefore:
multipolar would have many states
bipolar would have two states
unipolar would have one state
Answer:
Its supposed to be Mercury but earth too so id go for Earth "i hope this helps"
sorry if its wrong
Speed=distance/time
Distance=speed x time
Time=distance/speed
If you need anymore help message me!