Answer:
The External Barrier are the outside, physical ones such as the noise, the climate, and the environment. The external barriers can be easily overcome. For instance, while making a phone call in an airport if the din of a flight taking off obstructs clarity in listening, you can always pause, or make another call
Internal Barrier - Anything that prevent us from Understanding and Receiving the messages that any others used to convey their ideas, information etc. External barriers correspond to processes outside of us that maybe people or environment-related
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