What two recruiting events in Earths history have an impact on the carbon cycle?

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

La glucosa es el nutriente mas utilizado por las celulas en la respiracion celular en esta ocurre 4 fenomenos cuales son

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans