Part of a bird's digestive tract, called a gizzard, is able to break up large chunks of food at an extremely fast rate. it is difficult for scientists to watch a gizzard functioning in a live bird. how would building a model of a gizzard a scientist? a. to study bird behavior b. to watch a gizzard functioning in life c. to determine what type of tissues a real gizzard is made of d. to analyze how a gizzard works

Atreatment for stuttering in which the person is asked to speak in a singsong fashion, usually with the aid of a metronome is

Identify the constitutional principle that is common in both this excerpt and federalist no. 51. based on the constitutional principle identified in part (a), explain how the perspective in this excerpt compares with the perspective in federalist no. 51. explain how the constitutional principle identified in part (a) is reflected in the constitution, including two examples to explain how it affects the u.s. political system

Which chinese invention is used to measur the strength of earthquakeswhich chinese invention is used to measure the strength of earthquakes