Which of the following terms identifies the type of regions shown in the dark gray shades areas on the map

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.

The 529 plan is the type of plan. a. financial fid. b. grant. c. tuition savings. d. scholarship

Which of the following activities would conserve the most energy? installing a dimmer switch on a light using a blender instead of a food processor hanging clothes to dry on a clothesline instead of ironing them opening a window instead of turning on the air conditioning setting your computer's screen saver to turn on after less time has elapsed