Please help me its timed :):):)

How to build a cardboard bridge busing no tape or glue only cardboard and only be allowed to cut the cardboard and it has to be a beam bridge?

In the above painting by salvador dalí, entitled persistence of memory, which of the following objects do not occupy positive space? a. the clocks c. the tree trunk b. the ground d. the cliff select the best answer from the choices provided

What is the term for a recurrent musical section between various contrasting sections? a. concerto grosso b. basso ostinato c. fugue d. ritornello