Communication doesn't have to involve speech. true false

True

Explanation:

Communication is the transmission or realying of a message from the sender to the reciever. Communication can be verbal or non-verbal. Non-verbal communication is a form of comunication that relies on expression of the message through facial expressoin, gestures, behavior, and the like. It does not involve speaking.

For example, you can express or "send" the message "yes" with a nod. You can greet someone with a wave.

the second awnser

explanation:

because it is for complex problems