What two methods are used in atmospheric perspective to achieve a sense of spacial depth

Pitches moving in a downward pattern are called

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

Which scientist listed below is not one of those to advance the study of mathematics? a. euclid b. herodotus c. pythagoras d.archimedes