Can someone please help meee

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o