Answer:
pitch
Explanation:
The answer is "pitch".
A pitch of the sound corresponds to the frequency of the sound, meaning whether the sound wave is of higher frequency or of lower frequency.
Sounds are made of vibrating particles called sound waves. If the sound waves vibrate fast they are said to have higher pitch or if the sound waves vibrate slow, the sound waves are said to have lower pitch.
Thus Enrico is having trouble identifying the sound waves between a tuba and a piccola based on the pitch of these sounds.
Thus the answer is
"pitch".
The equipment requirements for windshields and side windows are as follows:
1.) Safety Glass
-these safety glasses should not be covered with reflective or non-transparent material, and, free of any stickers not required by law.
-the windshields must have safety glass and the side windows should not be covered with any reflective or mirrored appearance and shall have reflection more than 25 percent light
Lack of resources in general
It may also mean shortage of flora and fauna
The answer is ( He excommunicated those secular rulers who refused to accept hi vision and yield on the issue of lay investiture.)