When using pencil, an artist will often vary the in order to suggest texture, create emphasis, and to produce darker values whereas an artist who is using brush and ink will often control the value of the ink by question 56 options: ?

When using pencil, an artist will often vary the PRESSURE in order to suggest texture, create emphasis, and to produce darker values whereas an artist who is using brush and ink will often control the value of the ink by USING DIFFERENT VALUES OF INK.

Would it be an oboe?

The term is called adduction