A chord.
pixal
This is called a mixture.
This type of reaction is called a synthesis or combination reaction. It involves the combination of two or more reactants to form a single, more complex product.
That would be called a Compound.
A Chord
a chord
dissonance
A chord.
Some catchers are allowed more leeway to call pitches by their managers than others. But usually pitches are called by the manager or pitching coach and relayed to the pitcher by the catcher.
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In harmony, what is created by the combination of three or more notes together? chord
It is called a beat frequency or beat phenomenon. This occurs when two or more pitches with slightly different frequencies interfere with each other, creating a fluctuation in loudness.
It is called Fusing. Or FUSION.
Wait for the umpire to say, "Ball's in, Two more, Three more...." etc.
I believe that almost every pitcher who has pitched for more than 30 innings has struck out someone in three pitches. It isn't very hard for a pitcher to strike someone out in three pitches, especially if they have pitched for 30 innings.
In harmony, what is created by the combination of three or more notes together? chord