Answer
FALSE
Work Step by Step
FALSE
There are an infinite number of regular vectors for a given level.
If $\mathbf{n}$ is a normal vector, then all vectors of the form $k$ - n are also normal vectors.
Where $k$ is a nonzero constant
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.