Question

method of communication may be a vertical b horizontal c diagonal d all of the above​

Answer 1

d.all of the above

I'm not much sure abt it but still trying to help

Answer 2

Answer:

Crossword communication

Explanation:

method of communication may be a vertical b horizontal c diagonal d all of the above

I am not sure about the answer. If it is wrong please correct it and send me as this is new to me to.