Final answer:
The word that represents online etiquette formed by adding a letter to 'etiquette' is 'netiquette'. The correct answer is A) Netiquette, which refers to the code of conduct for online communications.
Step-by-step explanation:
The word for online etiquette that you get by adding one letter to "etiquette" is 'netiquette'. The correct choice from the options provided is A) Netiquette.
Netiquette refers to the acceptable way of communicating on the Internet. It involves following a set of guidelines to make a good impression online, such as avoiding text spellings like 'ttyl' or 'gr8', and not typing your message in all capital letters. Adhering to netiquette is important because it contributes to clear and respectful communication in the digital realm.
It is essential to learn and practice good netiquette as more of our interactions and communications occur online, whether it be through email, instant messaging, or any other digital platform.