Answer:
In computer science, a literal is a notation for representing a fixed value in source code. An anonymous function is a literal for the function type. In contrast to literals, variables or constants are symbols that can take on one of a class of fixed values, the constant being constrained not to change.
Explanation:
If you type in the letters (uppercase and lowercase matters) into google it will give you the answers
I am thinking it is c) A microscope is used to magnify a group of cells on a slide.