It depends. In most cases emails kind of have a professional stigma following them and are sent to ask questions or to gain information or inform the receiver so it’s best presented in a formal way.
In other cases such as a letter to a friend it can be as informal as the writer would like. Overall though I would say False, emails require professionalism.
She's able to be happy at some points. "Turning on the light upstairs" is a way to "turn on" happiness.
He was good at playing football
People feel way more comfortable leaving details about their life on the internet compared to talking about it in person. People can say a lot of things behind the screen that they won't say out loud. This leads people to share a lot more personal stuff with a lot more people.
This kind of detail sharing writing attracts a certain kind of reader because it becomes more personal. It can also turn some readers away because they disagree with the writers choices.
The answer is c) the amount of gold in Fort Knox because gauge is to estimate by determining the amount.