I might be wrong but I think the answer is
Continental deflection
Answer:
A few million, So about 5 million!
Explanation:
Unitary government:
1) Citizens elects a party into power. The head of the elected party will become the Prime Minister.
Federal system
1) Citizens elect their leaders by voting said individual to the position he/she is vying for like President, Senator, Governor, Representatives,etc.
2) Citizens are free to run for government office providing they pass the requirements of such position.
3) Citizens can veto the bill that the legislation is reviewing. They can write to their representative and state their reasons why they are against the passing of the bill..
Confederate
1) Citizens role are limited.
*There aren't many online articles about citizens' role in a confederate government.
Answer:
Iron oxides appeared after the emergence of cyanobacteria.
Explanation:
The composition of Earth's atmosphere in the first couple of billions of years of its existence was nothing like the atmosphere of today. This had a big influence on the processes that were taking place, or rather what processes and to what extent could have happened in those conditions. One big difference between the atmosphere then and after is the levels of oxygen.
Until the appearance of cyanobacteria, the oxygen levels in Earth's atmosphere were very low, and the same goes for the oceans. With a lack of oxygen, the process of oxidation was absent as well. The cyanobacteria though managed to produce oxygen, and this was on such a high scale that they changed the composition of Earth's atmosphere and the oceans. Not just that this enabled complex lifeforms to develop, but it also enabled the process of oxidation. Iron oxides for example occurred only after cyanobacteria appeared, and this can easily be seen when dating the oldest iron oxides and compare that age with the appearance of cyanobacteria.