Because Cyanobacteria appeared
Cyanobacteria's excrement formed a lot of oxygen in the atmosphere which make the earth temperature cold
This allow a liquid water to formed on the surface ( because if the temperature is too high, the water will evaporate) and eventually formed oceans
A major difference between formal and informal economic sectors is that a formal economy is composed of an organized group of people working in the same environment and who are legally and socially aware about their rights and have a formal contract with the employer
An informal economy is composed of people who are not necessarily organized, have no social security cover of any kind and have poor knowledge about the need to protect themselves socially and economically and have no formal contract with the employer.
<span>The answer is none of the above.
You create a patrol map by mapping the distance it takes to travel from one landmark to another.</span>
The correct answer is all of the above.
The Earth's physical features affect people's choice of occupation because different geographical locations are suited to different jobs. For instance, if a person resides on the countryside, he or she is much more likely to be a farmer compared to someone who lives in the desert. Similarly, people who live next to a water body are more likely to use a ferry compared to people who do not live near water bodies. Lastly, recreational activities are also affected by the geographical features of a location. For instance, someone living in Iceland, is more likely to be a regular skier compared to someone living in California.
C- a man who was jailed for his political activities
