Which type of energy in the bungee cord prevents the jumper from hitting the ground after a jump? choices are:
a. kinetic energy
b. elastic potential energy
c. magnetic potential energy
d. thermal energy

"griffith's experiment discovering the "transforming principle" in pneumococcus bacteria. griffith's experiment, reported in 1928 by frederick griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation." - griffith's experiment.

i think the answer is b.

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

the endomembrane system i think