Misc: Robodoc is the first robot to help in which common replacemant operation?

Questions

An adult walrus typically eats about 3,000 ---------- per day.?

---------- are the smallest breed of dog used for hunting. They are low to the ground, which allows them to enter and maneuver through tunnels easily.?

An ---------- can go through 2,000 to 3,000 teeth in a lifetime.?

Dead sponges can resist bacterial decay for more than five years when submerged in ----------?

An alpaca is sheared only once every two years and yields only about 5 or 6 pounds of wool at each shearing. Because the yield is so small and the material so desirable, alpaca wool is ----------?