Answer:
Memory is often owned, history interpreted. Memory is passed down through generations; history is revised. Memory often coalesces in objects, sites, and monuments; history seeks to understand contexts in all their complexity.
The reason a teenagers emotions change so much is due to their body growing and is close to completely maturing resulting in a rise in hormones which take time for the body to adjust to. To follow this, many teenagers suffer from anxiety and depression which also result in mood swings etc.
Hi there! The answer would be A. This, because the word 'this' is a demonstrative pronoun.