What causes a nuclear fission chain reaction to continue?
a. thermal energy added to the system from the surroundings
b. the neutrons that result from the previous fission reaction
c. the energy that results from the previous fission reaction
d. thermal energy released from the system to the surroundings

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

the answer is d. 74.02

5.6⋅10−^19  j

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