Why do scientists stain samples for the microscope? a. it is fun and looks cool! b. to better see the internal structures. c. so the cells will last longer. d. to better see the external structures.

D. to better see the external structures

i don't know. the other person does though.

which are post-impressionist paintings? check all that apply?

explanation:

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and color.

hope this have a good day