Answer:
i think it is the multiplicative identiy property
Step-by-step explanation:
Answer:
sorry i need points :c
Step-by-step explanation:
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Answer:
Precambrian period
Step-by-step explanation:
Since the Great oxidation period = 2.4 Billion years ago era = Precambrian period.
Micro-fossils attributed to cyanobacteria are abundant during the Proterozoic that came later 2,5 billion years ago and ended 540 million years ago,
The GCF is 5x because 5x goes into all the sets.
