In kinetic sculptures. __ is required to make the sculpture complete. sound relief performance movement

## Step 1<br />Kinetic sculptures are a form of art that incorporates movement as a key element. The term "kinetic" itself refers to motion. <br />## Step 2<br />The primary characteristic of kinetic sculptures is that they are designed to move. This movement can be powered by various means such as wind, motors, or even the viewer's interaction.<br />## Step 3<br />Given the options, the element that is required to make a kinetic sculpture complete is movement. This is because the movement is the defining characteristic of kinetic sculptures.