I have been sitting on a chair for the last 3 years, now the chair is growing into me. i feel refreshed

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.

yall wanna me : )what software controls a computer’s basic functions? a. the central processor b.the bios c. the motherboard d. the operating system

Secondary school falls between a . kindergarten & elementary b. elementary school & post secondary school c. post secondary school & higher education d. middle school & high school