Answer: Noise
Explanation: According to the communication process, noise is defined as the factor due to which the sender to receiver communication gets interfered .The transmission of the message gets disrupted due to noise.
Ralitza is also facing a barrier while in the class and thus not able to focus on the class discussion. The thought of calling her parents is acting as the noise source in the mind of Ralitza.
Answer:
The physical geography around China affected Chinese civilization by creating barriers to the outside world. In the zone of Central China, the Yangtze River, and the Yellow River represented a good source of fresh water, water for fertile soil and farming, and means of transportation of people and products.
Explanation:
Mark me brainly please
