Sara's mother gets a flat tire on her car while driving Sara to school. They use a jack to

change the flat tire. It exerts a force of 5,000 newtons to lift the car 0.25 meters. How much

work is done by the jack? Use commas as appropriate.

If your blood becomes too concentrated with iona, what will happen to the red blood cells

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b. organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things