A ship is used for moving people across bodies of water.
Commonly, a bridge is a structure built to cross a body of water.
For short distances, bridges can replace ships.
Which structure can replace a ship for short distances?

(1) Weight
(2) a bridge
(3) Gravity
(4) watershred
(5) a yacht
(6) Fuel cells
(7) a house
(8) a skyscraper