Carlos is cooking rice in a pot. When she leaves the pot on the stove for a while, the temperature of the rice increases. What is happening to the molecules of the rice when the temperature increases?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen