1 A solution is a __ heterogeneous mixture (looks different throughout) homogeneous mixture (looks the same throughout) pure substance Multiple Choice 1 point

## Step 1<br />A solution is a type of homogeneous mixture. This means that it has the same uniform appearance and composition throughout. Many common substances are solutions. For example, air is a solution of gases, and seawater is a solution of water and dissolved salts.<br />## Step 2<br />A solution is not a heterogeneous mixture. Heterogeneous mixtures are not uniform throughout and can have regions with different compositions.<br />## Step 3<br />A solution is not a pure substance. Pure substances have a definite and constant composition. They are either elements or compounds.