Which tag would semantically separate a section of photos from a section of videos?

Which of the following is a not content-specific element in HTML5?

To limit the length of input in a form field use:

What does SVG stand for?

How many footers can you have in a html 5 document?

What is the purpose of <em> tags?

Which is/are valid HTML5 attributes?

Which attribute is supported by the HTML tag?

The ImageData object represents the underlying pixel data of an area of a canvas object including the following read-only attributes?

What is the role of the element in HTML5?

Can there be a multiline HTML5 placeholder text in a ? For example,<textarea name='story' placeholder='Enter story\n next line\n more'>