Is a separate, complementary language to HTML that was developed for specifying the appearance of web page elements. a. XHTML b. SGML c. XML d. CSS Elements that do not require a closing tag are...

Is a separate, complementary language to HTML that was developed for specifying the appearance of web page elements.

a. XHTML

b. SGML

c. XML

d. CSS

Elements that do not require a closing tag are elements called

a. independent

b. empty

c. permanent

d. constant