Amajor function of structure x is to

23. public and private investment in infrastructure include all of the following except a) worker knowledge and skill development b) telecommunication systems, internet provider systems, and power distribution systems c) highways, transit systems, airports, harbors, and educational facilities d) fire departments, police departments, and public safety systems e) water systems, wastewater treatment systems, and navigational systems

Anyone knows answer for code.org unit 3: intro to programming, lesson 7: apis and function parameters, bubble 11. !

Motorcyclists may have to suddenly change direction when encountering a. potholes and reflective markers b. yellow lights c. pavement seams and railroad crossings d. strong winds