Which part of a sandwich is most like a homogeneous mixture?
a. mayonnaise
b. whole-grain bread
c. lettuce leaves
d. egg salad

Bread is considered to be a heterogeneous mixture. It is a heterogeneous mixture because all of the components that are used to make the bread are physically separate.

It would be B bread because bread has yest that makes it rise

b. latent learning (the word "latent" itself means something that exists but isn't obvious, only under certain conditions! )