'Visualization' is exemplified as a highly effective way to communicate a message through images affiliated to it. This technique involves the creation of mental images or diagrams related to a particular idea which would help convey the message more effectively and makes it easier to remember things.
As per the question, Andra could use 'visualization' to remember all the parts of microscope as it would help in creating images relating to each part of the microscope that would aid her to affiliate those pictures/images to the actual diagram and make it easier to understand as visual images are much more stronger than learned or read. Thus, <u>option D</u> is the correct answer.
Based on the given text, the stage of identity development Marcus is experiencing is Identity Foreclosure. This identity development is dominant among teenagers. They tend to venture into a commitment without exploring other alternatives in reaching their desired goals.