Answer
b.
Work Step by Step
Option a. is incorrect. Sugar and sand do not combine chemically to form a new substance; therefore, this mixing does not constitute a compound.
Option c. is incorrect. This is not a solution because the sand and sugar are mixed, but they are not evenly distributed.
Option d. is incorrect. This is not a suspension. The components do not break down into smaller pieces that do not settle out.
Option b. is correct. This is a mixture that is composed of two substances that are only physically mixed but do not react chemically.