What is matter?
O
A. An investigation plan
O
B. Anything that takes up space and has mass
O
C. The classification of mixtures
O
D. Anything that takes up volume and holds its shape

answer:

a lot of stuff

explanation:

answer:   system of auburn. this american penitentiary system relied on the rehabilitation of the inmates by solitary confinment, locating them in separated cells, and with the prohibition of talking withing each other. this system, popular in the 19th century, was based on forced silence, in a concept know as “sense of self”.