Answer:
D
Explanation:
Boolean Operators are simple words (AND, OR, NOT or AND NOT) used as conjunctions to combine or exclude keywords in a search, resulting in more focused and productive results. ... Proximity Operators (with, near and others) can also help you in searching. See Using Proximity Operators for more details and examples.
Gray isn't a color to be exact it a shade or what some people call it a shadow just like black but if you add more gray to a look lets say RED it will make it kinda faddy and more darker then it was
The keywords used in programming languages that use decisions to redirect the flow of a program are called control structures.
