Mandarin Chinese is the most spoken language in the world with an estimated 845 million native speakers.
I'm not sure that "most used element" is a thing. Most used in what?Hydrogen is the most common element in the universe, but I have no idea what you mean by "most used."
the latest it was most used was the Superbowl!
The Penny is used the most in the US.
Youtube is the most used website in the world
E is used the most.
French is used most in Quebec.
Jesus is the most used word
Alcohol is the most used legal drug. Of Illicit drugs the most widely used drug is cannabis.
Most routers can be used. The most popular used will probbaly be NetGear
the Apollo 18 was the most used weapon by the Koreans.
who used the funeral boat the most
The most energy used in a circuit is at the load.