What do muscles produce

Darren was recently ticketed for speeding over 110 mph on the freeway. when the police officer stopped darren and asked him why he was going so fast, he replied that he was "king of the world." the month before this, darren felt sad and listless and had trouble getting up the energy to go to school. he probably suffers from:

Cancer is 100% preventable if you follow all the necessary healthy behaviors. true or false

Which of the following is included in the gross domestic product