Answer: the sample is not representative of the community.
Explanation:
Online surveys or surveys in general are made to obtain relevant information about a particular issue. If samples are not representative of that issue, they end up having little use.
Answer:
The answer is Live Preview.
Explanation:
<em>Live Preview is a Powerpoint tool that helps the user to find out how a singular choice will change the appearance of the presentation, without committing any change. This application allows the user to edit any slide and see the changes without any risk of damaging the rest of the presentation.</em>
<em>It lets the user see how an actual change will look on the slide object before the user decides to accept or decline the change.</em>
<em>It is a powerful resource, because we know how handful it is to prepare a powerpoint presentation.</em>
Answer: Unified communication
Explanation: Unified communication is the communication technique in which merges various communication routines into a individual business.It works as the phone system which helps in increment of productivity in an organizational business.
The unifying of voice,data/information,video etc is done for optimizing and improving the business that also results in faster communication rates, secure communication etc.
Put a code or security system on or a very secure password
Hope this helps...