Takes

Chinese food lacks cheese because of lactose sensitivity in Asia

I actually know the answer to this. Because Asian people, by and large, are more sensitive to lactose. So when they first opened up ice cream shops and stuff like that over in China, most people got sick and went out of business.

Salt water in the ocean is created by fish semen

It's brackish because that's where all the fish come. So when a fish jizzes... all that jizz has to go somewhere, and it just goes in the water and makes salt water.