There is one curve.
one
convex
A sphere (ball) and an ovoid (egg).A sphere (ball) and an ovoid (egg).A sphere (ball) and an ovoid (egg).A sphere (ball) and an ovoid (egg).
A sphere has a face however, an arc has no face but has a single curve. Multiple arcs placed next to each other in an osscilating line have curves, without a face.
Many shapes have curves. Some curved shapes include:circle (2-dimensional)cone (3-dimensional)sphere (3-dimensional)cylinder (3-dimensional)
3 curves
Presumably no curves at all.
There are four curves in the spine. They are the Cervical, Thoracic, Lumbar and Pelvic curves.
there are 3 curves
It has 1 syllable.
Sphere is one syllable: sphere.
If a person thinks they have too many curves, they can reduce them by exercising. Eating healthy and less calories can also help get rid of curves.