(MUSIC) Please help if possible!
1) How have harmonies changed over time?
2) Explain how modern musicians utilize harmony in their music.

These can be super simple 2-4 sentences.

Explain what a scale is and what it looks like on a staff answer thoroughly and correctly

To create this piece, the painter used his/her fingers and fiber brushes to apply reddish pigment made from a. (1) horse tail; (2) basalt b. (1) yucca; (2) iron-oxide c. (1) animal; (2) sulfur d. (1) cotton; (2) charcoal

The business analysis step of product development, states that "if the new product is it will be selected.