Answer:
I think it's split infinitive
Of the following what? You didn't list any examples
"A combination of letters in which you can hear the sound of each letter is called a <u>blend</u>." As a result, option (c): "blend" is the combination of letters.
<h3>What is a combination of letters?</h3>
Blends of letters:
Letter blends refer to certain combinations of two or more consonant letters. To create specific sounds, letter blends appear at the beginning or end of words. Each letter's sound can be heard in letter blends.
Check out the link below to learn more about a combination of letters;
brainly.com/question/13367115
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E·o·lith·icdesignating or of the earliest period of the Stone Age, during which crude stone tools were first used