Heidi works with a team of web technologists she has the ability to lead and guide her team members in new and challenging situations. She is dependable and authoritative. What position does Heidi hold in the team?

Technician a says that if a valve is open when a piston rises to the very top of a cylinder, the piston may actually strike the valve head and cause serious engine damage. technician b says if the camshaft is located in the engine block, then the engine is called an overhead valve engine, ohv engine, or an in-block camshaft. who is right? a. b only b. both a and b c. a only d. neither a nor b