Final answer:
The notes that are made flat to make the natural minor scale are b3 and b7.
Step-by-step explanation:
The notes that are made flat to make the natural minor scale are b3 and b7. This means that the third and seventh notes of the scale are lowered by one half step. For example, in the C natural minor scale, the third note (E) is lowered to Eb and the seventh note (B) is lowered to Bb.