Yes. It is because of its ingredients

King Arthur unbleached cake flour blend does not contain any sugar. You can find the ingredients of any King Arthur product on their website. The PDF file with ingredients for the cake flour blend is attached below.

To blend ingredients for a smoothie, you simply combine them in a blender and process until smooth. The artist used different colors to blend a beautiful sunset scene in their painting.

Blenders have a "blend" mode on them so someone can blend the ingredients that they have loaded into the blender. Also the name blender comes form the word blend, so using it is a nice way to just give back to the word.

put them in a bowl and stir them up. Unless it specifically says "blend", mix means by hand. If it says "blend", then use a blender.