Additional features common to many dive computers include all of the following except: The ability to display dive log data and to upload that data to a laptop or desktop computer. The ability to monitor a diver's exposure to air, Nitrox and Trimix. The ability to project no-decompression limits for upcoming dives. Bar graphs that provide a visual representation of a diver's exposure to nitrogen and other gasses.

Answer the important painting of the baptism of the christ, leonardo painted the kneeling angel and some of the background for this;

The stage is the term for the background of the project, but can have scripts, backdrops

Well, this code would box the whole body of an html document. by using the relative value for position, you are telling it to position relative to its normal position, which the top left corner is at (0,0). by using left: 50px, you are telling the box to set the left margin  edge to 50px and by using top: 50px, you are telling it to set the top margin edge to 50px. by doing this shifting, the top left corner of the box, which is at (0,0) would be positioned at (50,50)