B, virtues.
A virtue is a trait or quality that is deemed to be morally good and is valued as a foundation of principle and good moral being. Personal virtues are characteristics valued as promoting collective and individual greatness.
The North Atlantic drift is the moderator of the air temperature over northwestern Europe. It is generally warm and rotates clockwise.
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
They are called the mesenteries. They are also called the mesenterium, they are peritoneal fold attaching to the small intestine to the dorsal body wall.In humans it wraps around the pancreas and the small intestine and extensions down around the colon and the upper portion of the rectum. Their function is to anchor the small intestine to the walls of the abdominal walls.