I like studying geography by myself too, but it’s more fun to study with my friend.
My American friend is not good at geography at all, so I heard that she used to think Japan was the capital of China until very recently.
What do you mean we’re lost? Aren’t you a geography teacher?
The reason the earth is the way it is is because of the geography of it. Though it may seem kind of strange that geography is bringing reason to the earth, if you think of geography as a study, then you can think about how you try to get reason through that, as well.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.