What is heterogeneous mixtures base component? a. it occurs
b. it comes in small amounts
c. it is the most abundant component
d. it is usually called additve​

C. it is the most abundant component

Explanation:

A heterogeneous mixture is simply any mixture that is not uniform in composition - it's a non-uniform mixture of smaller constituent parts. By contrast, a mixture that is uniform in composition is a homogeneous mixture.