Answer: c) rhythm
Explanation:
Rhythm (to flow) is the positioning of sounds in time.
It is the one indispensable element in music. It is a measured motion (I.e a pattern) of strong and weak elements (contrasting elements) in the flow of sound (music).
Answer:
3)cones but not rods
Explanation:
Cones help in color vision
Rods help in light vision
The aspect of of instruments that improved during the Romantic period was the valves. The correct answer is D, valves.
Adding black to a hue makes a shade, while adding white makes a tint