What is the keyboard shortcut to center text?

Two of the most used standards for creating research papers are the Modern Language Association (MLA) and the American Psychological Association (APA) styles

Indicate whether the statement is true or false

In unstructured peer-to-peer systems, significant improvements on search results can be provided by the adoption of particular search strategies. Compare and contrast expanded ring search and random walk strategies, highlighting when each approach is likely to be effective.

What will be an ideal response?