Answer:
One way to show respect for others in an online environment is to make messages :
Brief
Step-by-step explanation:
According to the netiquette rules messages have to be brief but explain the message with enough information to be understood. This means that efficiency is the most important factor. These rules also say that a gentle greet and farewell has to e included in the message. However, as they are not included in our options and the only brief is. This is the correct answer. remember brief means straight to the point.