Final answer:
Politeness and professionalism are important to ensure effective written communication.
Step-by-step explanation:
When communicating in writing, it is important to keep it polite and professional because people cannot hear the tone in your voice or see your facial expressions. By maintaining a polite and professional tone, your written communication is more likely to be effective and receive the desired response. If written communication is offensive or lacks professionalism, it may be ignored or assumed to be unimportant.
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