What is meant by the term "projection"in architectural photography?

Examine the two environment sculptures photographed above. for each, name its title or its description, and the type of environment sculpture it is. how does each relate to its individual environment.

(i think my answer is a, am i correct? ) a pentagonal traffic sign is a sign. a. school crossing b. parking c. wrong way d. yield

What was ottaviano petrucci known for? a. he made the first violin. b. he choreographed the first ballet. c. he wrote the song greensleeves, a famous english folk song. d. he printed the first significant collection of polyphonic music.