It is that People decide to create systems designed to solve problems, but each solution creates additional problems.
B. Their , would be the correct answer, it makes the most sense .
The correct answer for the question that is being presented above is this one: "internal or individual or brain cells." Eliza remembers her grandfather telling the story of how he met her grandmother 50 years ago. Eliza’s grandpa has these memories stored in his internal or individual m<span>emory.</span>