What is the top folder of the file tree called

To check spelling errors in a document, the word application uses the to determine appropriate spelling. internet built-in dictionary user-defined words other text in the document

What can a word user do with the customize ribbon dialog box? check all that apply. minimize the ribbon add a new tab to the ribbon remove a group from a tab add a group to a tab choose which styles appear choose which fonts appear choose tools to appear in a group

2. fluorine and chlorine molecules are blamed fora trapping the sun's energyob forming acid rainoc producing smogod destroying ozone molecules