What company handles security for a lot of the e-commerce on the internet and also maintains two root name server clusters?

What is used to analyze and summarize your data without graphical support

Allison and her group have completed the data entry for their spreadsheet project. they are in the process of formatting the data to make it easier to read and understand. the title is located in cell a5. the group has decided to merge cells a3: a7 to attempt to center the title over the data. after the merge, allison points out that it is not centered and looks bad. where would the title appear if allison unmerged the cells in an attempt to fix the title problem?

What is html ? give a small description about html