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 expression shown is an arithmetic expression. An arithmetic expression results in a numeric value.
The answer by the way is -6.
Answer:
0.00118063754
is right...
Step-by-step explanation:
30+8*3=114 2y-6=56.... I think your answer would be 170 but I'm not completely sure
if you in you computer you can use math/way