Answer:
"I'm still young, but I work on my memory daily so I don't become senile."
Explanation:
Senile means denoting to old age and that sentence correctly uses it
Answer:
D) after beginning
Explanation:
The best place to separate the run-on sentence into two sentences is after beginning.
Answer:
It doesn't make the personality, but it can certainly change it.
Explanation:
Example: A poor man could be the sweetest person you know. Then, he wins the lottery and suddenly turns him from sweet to snobby. Over time, he can resort to going back to a kind personality.