Fixed Focus Lens cannot be changed to focus on items closer or farther away? True or False NEED ASAP

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 contour drawings crossing lines is one way to indicate this

Match each of these art forms with the region of americas where they were commonly produced. elaborate headdresses nazca lines carved hieroglyphs wooden ceremonial masks the pacific north west mesoamerica the great plains the andes