What refers to the distance between two sound frequencies or pitches?

What is forming a pliable medium, such as clay or paper mache’, into a sculpture?

Where is the photoshop flaw in this picture? a. the fish is too large, b. the head has been pasted on another persons body,c. the guy has no hands, d. the background has been altered.

When you shoot using the lowest number possible for your aperture what is it called