Yes, in general, metalloids are slightly reactive.
The "pitch" of a sound is the impression your brain forms
that corresponds to the frequency of the sound wave.
When the frequency is high, your brain says "high pitch".
When the frequency is low, your brain says "low pitch".
1.
a. The one with the greater volume will rise slower than the one of the left.
b. It would make the readings high than they were before.
b. it will make the readings higher than they were before