The exposure of certain types of radiation
The remains of fossils give scientists clues as to what the world may have been like a long tome ago. If fish fossils are found on the side of a mountain, there may have been a lake there. If a skeleton is found, they can decide what creature it was.
The step of the cellular respiration pathway that can take place in the absence of O2 is glycolysis, glycolysis is an anaerobic that’s mean it’s does not require oxygen O2
The answer is: Glycolysis
d answer is D........four cells ar formed