Can someone help me i'm tryingto get the sign out button on settings and i can't turn off the screen time passcode but my grandmother can turn it off but if i ask her she won't CAN SOMEONE PLEASE HELP ME

Me dangers of social media and the internetexplain what each means: 1) social media and phones have become an addiction.2) outside people have access to you all the time.3) cyberstalking4) cyberbullying5) catphishing6) viruses7) identity theft8) credit card fraud9) hacking10) money schemes