Commonlit Open Response (Don't Hate On The Trait) How does the text's explanation of variation contribute to the central idea?

Hi i’m big and strong

Dogs have been considered man’s best friend for decades! most likely because of their kind and loyal nature. they make splendid companions. their loyalty is beyond compare and after all, a dog is the only thing on earth that loves you more than he loves himself! dogs see us as their friends and leaders, they’ll do anything in their power to ensure your comfort and safety.

There is no list or tables and charts for me to answer your question