Which minor scale has its natural form characterized by 1 flat?

The minor scale that has its natural form characterized by 1 flat is D Minor. In music theory, the natural minor scale is constructed using a specific sequence of whole and half steps.

For D Minor, the scale consists of the notes D, E, F, G, A, B♭, and C. Notably, the B♭ (the flattened seventh note) is the only flat in the scale, establishing it as the defining characteristic of D Minor.

Comparatively, the other scales listed have different key signatures: B Minor has no flats or sharps, C Minor has three flats, and E Minor has one sharp. Understanding these distinctions helps solidify your knowledge of minor scales and their respective key signatures.