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reproductive cells like eggs and sperm
Answer:
Prokaryotae, Protoctista, Plantae
Explanation:
Cyanobacteria or simply known as blue-green algae may have formed the oxygen into the early atmosphere. This is because these micro-organism has the capability to photosynthesize wherein they can produce oxygen and carbohydrates. In fact, all the plants contribute in the fomation of oxygen.
Answer:
13 is the answer for both
Explanation:
The atomic number is also the atoms count of protons and electrons when the element is of a neutral charge.
