Answer:
The Articular cartilage.
Explanation:
Articular cartilage is the smooth, white tissue that covers the ends of bones where they come together to form joints. Healthy cartilage in our joints makes it easier to move. It allows the bones to glide over each other with very little friction. Articular cartilage can be damaged by injury or normal wear and tear.
C. a toy train is the item that has characteristics similar to a scientific model.
If the solute concentration is equal both inside and outside of the cell it is isotonic
If im not mistaking it will be A is the only other one that really makes any sense
