Which of the following occurs when a large nucleus is split apart?

chemical reaction
electrolysis
fission
fusion

Who is better, messi or cristiano, i need this for a chemistry class. asap

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?