An unknown substance is provided in a science class. It consists of particles that are different

colors and different sizes. The particles are unevenly distributed throughout the substance,

This substance is

A. an element

B. a compound

C. a homogeneous mixture.

D. a heterogeneous mixture.

b a is the answer bea sue i don't know just looked it up

An unknown substance is provided in a science class. It consists of particles that are different

colors and different sizes. The particles are unevenly distributed throughout the substance,

This substance is

A. an element

(B.) a compound

C. a homogeneous mixture.

D. a heterogeneous mixture.

an element would not have uneven distribution or different so B is correct