The use of jargon. ...Emotional barriers and taboos. ...Lack of attention, interest, distractions, or irrelevance to the receiver. ...Differences in perception and viewpoint.Physical disabilities such as hearing problems or speech difficulties.
Plants and basically humans
Answer:
a. It can be used for photosynthesis.
Explanation:
Since carbon dioxide is needed in the photosynthesis process, then much of the carbon dioxide which is produced by green plants is not always excreted in form of metabolic waste because it can be easily used in the photosynthesis process.