Question

HELP!!!
To help ensure that an HTML document renders well in many different web browsers, it is important to include which of the following at the top of the file.

A) an tag
B) a doctype declaration
C) a tag
D) a tag

Answer 1

Answer: B

Explanation:

I did not get why there 3 of the same question

Answer 2

Answer:

I think it is:

B. a doctype declaration

Explanation: