Which characteristic will a note with a high pitch also have?

a: a high amplitude
b: a high frequency
c: a high volume
d: a high wavelength

(i think it's c or d)

How did the growth of the middle class affect social reform during the industrial revolution?

Which of the following statements is true about water access in the middle east? a. access to coastal waters is not important to people.b. most countries depend on outside resources for water.c. water is available in large supplies in all countries.d. all countries have sources of renewable freshwater.

Why did un coalition troops battle iraqi forces in 1991? iraq had invaded saudi arabia, along with its other border nations.iraq had invaded kuwait, which was a major source of the world's oil.the united nations wanted to remove saddam hussein from power.the united nations wanted to prevent the trade of illegal drugs.