How to unlock an iphone 4.1 which was itunes locked without a 30 pin cable?

According to the video what are some tasks petroleum engineers perform check all that apply

Visualizing a game of “tag” to remember the meaning of contagious

Why is it preferable to code web pages in html format? a. to create more lines code b. to apply general formatting rules c. to display properly as search results in all browsers d. to add meaning to the document