Answer:
Body language.
Explanation:
If you see someone nervously wringing their hands, you can assume they're worried about something. If you see someone crying, the obvious assumption is to believe they are sad about something.
1) you could see an doctor
2) stay away from things that can make you sick
It’s True because I read this article and it said the same question and my teacher she told me changing behavior in the next two years is true
