Which action will reduce the risk of injury on a motorcycle

When two movable joints meet at a joint, their do not touch one another.

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:

Wha arrow in the figure points to the section that indicates how much food is in the package/container