Classify each of the following as a homogeneous mixture, heterogeneous mixture, element, or compound: (a) table salt, (b) blood, (c) steel, (d) planet Earth.
A homogeneous mixture is a mixture where there is uniformity in property throughout the mixture while a heterogeneous mixture is the one that do not exhibit any uniformity. The given substances are classified as follows: (a) table salt : homogeneous (b) blood : heterogeneous (c) steel : homogeneous (d) planet Earth : heterogeneous
