Elisa will access general help if she presses the F1 key on the keyboard. To see it for yourself, open an internet browser and press the F1 key and you will see that a general help page will be displayed.
It's example of feedback because you not interact with them.
Keynote is great for presentation
A composite primary key<span> is a set of several primary </span>keys<span> that, together, uniquely identifies each record.</span>
Primary keys are used as identifiers of composite entities. In this case each primary key combination is allowed only once in the *:* relationship.
Other case where primary keys are used is as identifiers of weak entities, where the weak entity has a strong identifying relationship with the parent entity.
Answer:
The Corrections icon
Explanation:
In Office 2010, 2013, 2016, you can adjust the brightness, contrast, and the sharpness of a picture. This can be achieved by using the corrections tool. Assuming you already have the picture, click on it and on the Format tab, under the Pictures tools, in the Adjust group, click Corrections. Under the Sharpen/Soften or the Brightness/Contrast, you can click the thumbnails that you want to make adjustments.
