sa235878
Answered

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HELPP ASAP PLS

what do all signals that are used to communicate have in common ?

a. they all involve light waves

b. they all send information

c. they all use printed words.

d. they all use a series of sounds

Sagot :

lilyparsons26

Answer:

They all send information

Explanation:

Because well, with letters ur typing iformation, texting same thing, talk your speaking info, and yeah.

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