____ graphics have individual layouts, styles, and color schemes.

which of the following could be true?

If v1 is a vector containing some number of int elements sorted in ascending order, after these statements execute: std::vector results1; std::vector results2; std::unique_copy(v1.begin(), v1.end(), std::back_inserter(results1)); std::reverse_copy(v1.begin(), v1.end(), std::back_inserter(results2)); a. results1 contains more elements than results2. b. The first element in results1 matches the last element in results2. c. results1 is empty but results2 is not. d. None of the above.

Search engine _________________________ instruct a search engine to locate and rank search results based on keywords and a variety of other factors.

Fill in the blank(s) with the appropriate word(s).