When two rivers meet

Science.

It's not the color of the water, it's the color of the soil beneath it. The water is mixing

perhaps the difference in density keeps them apart?

Uhm sorry I wanted to write something but didn't know how to fraze it since I'm not a native speaker so I decided to let it be. I didn't know I sent an 'it' I just realized as I got a message sorry ^^'

Phrase!! Haha sorry

Omo >.< Sorry ;____;