Which of the following elements tells the browser which character set to use? a.  b.  c.  When an HTML5 page doesn't validate on the W3C validator, what should you do? a. Check the line number of the first error, and troubleshoot that first b. Try to work backwards from the last error it gives you c. Check to see if the text displays correctly in the browser. If it does, do nothing. If you want to write a relative link in the file you are editing that links to your home page called "index.html" that resides one directory above (a.k.a. the parent directory), how would you write the  tag? a. Home b. Home c. Home d. Home e. Home f. Home Which attribute should you use with the 
 tag if it will only appear once on the page? a. 
 b. 
 c. 
 d.