I think the answer is
A. participating in an activity you enjoy
So you are confident in yourself and how you look and so you can stay in shape before you get to old and enjoy your life to the fullest
Answer:A.
improved grades on individual assignments
Explanation:
Because if he or her working on invidious assigments there grade could go higher.
Answer: Remembering a fact or principle would involve using the semantic memory
Explanation: The semantic memory is along term memory and has no limitation. You can recollect information through integration of the previous material with the new material.
Semantic memory is one of the kinds of explicit memories that humans exhibit. It all the information and experiences that we would have gathered throughout our lives such as facts, principles, meanings, concepts etc.
It is a memory that we can recreate at any point of our lives without much trouble. Semantic memory is about how we link those ideas and concepts when you want to recollect them and narrate them.