How is the stomach and the blender alike

Most of the written music that has been preserved from the middle ages is a. sacred. b. for flute and guitar. c. polyphonic. d. dance music.

Need some ! asap i need to figure out 3 major changes in bridges over time and why these changes to adapt to both improvements in technology and changing social links would also alot.

In what kind of building will you find the 15 x 29 ft. mural created for the husband of beatrice d'este?