Answer:
Blind.
Explanation:
In a blind experiment, information that can affect the participant's decision after the experiment is not told or we can say blinded until the experiment is over. Good blinding can eliminate experimental biases . A blind can be imposed on any participant.So in the question we conclude that it is blind experimental design.
Most email clients contain a "subject" that allows the user to read an email message without actually opening it.
Answer: Quick Access Toolbar
The Quick Access Toolbar is located to the right of the Microsoft Office Button . It contains commands that are used most often, for example Redo, Undo and Save.
Explanation:
Answer: 1. put her insertion point at the end of item 2b. 2. press enter key