About 30. thankyou and goodluck
I’m not 100% sure if this is a scientific theory but I’m going with the big bang theory. The big bang theory is a scientist best guess on how the world came to be. A 2013 map of the background radiation left over from the Big Bang, taken by the ESA's Planck spacecraft, captured the oldest light in the universe. This information helps astronomers determine the age of the universe.
They are both alike because they both begin with a series of reactions known as glycolysis
Cellular respiration needs oxygen and fermentation doesnt
