Adam D'Angelo is the CEO and co-founder of Quora, an online knowledge market. He was also chief technology officer and <span>vice president of engineering for Facebook.</span>
Answer:
All
Explanation:
Not sure on the context of this question, but a loop is generally used to iterate though every piece of data to perform some kind of operation, on everything in something like an array or string.
The answer for the 1st blank is text.
It can help you more be aware of whats going on and what you need to do.
