It's getting dark. it's going to snow. it's getting windy. i'm not afraid of the dark. i'm not afraid of the cold. i'm not afraid of the wind. составь из двух простых предложений сложное. какой союз тебе понадобится: and, but, because?

It's getting dark but I'm not afraid of the dark.
It's going to snow but I'm not afraid of the cold.
It's getting windy but I'm not afraid of the wind.