Why is movement difficult to catch on a camera?

Does anybody know how to hack into a google account? i had important information on it and it is gone now and i need getting it back.

If you want to delete an entire word at a time, which key should you press along with the backspace or delete key?

While creating a web page, what does each of the following html tags define? 1. 2. 3. 4. a. defines a new paragraph b. defines a term c. defines a single line break d. defines a heading