Meiosis and mitosis are both processes that involve nuclear division. what is the difference between the two?

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block

In a star, nuclear fusion occurs in the a. photosphere. b. corona. c. radiative zone. d. core.