Which of the following was a popular compositional technique during the renaissance?

The answer is Polyphony.

Explanation:

The term polyphony is generally used in the sense of Western musical tradition to refer to music of the late Middle Ages and of the Renaissance.

the answer is a) high entry costs

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.