True or False. Formal communication channels follow a chain of command.

The valve seat performs two functions: it provides a seal for the valve in the combustion chamber, and it provides a cool surface to carry heat away from the valve. most valves use a seating angle.

What if i told you.. you could get free points and brainliest for answering this one drivers ed question ! hurry : ) to begin measuring your following distance, watch as the rear end of the vehicle ahead passes a. the rear end of a vehicle on the right b. the front end of an oncoming vehicle c. a fixed point on the road d. a distant landmark

What is the function of the organelle labeled a in the diagram?