![subject](/tpl/images/cats/geografiya.png)
The study of fossils has helped geologists divide Earth's history into four eons and a number of finer-scale subdivisions: eras, periods, and epochs. Each geologic division represents a distinct timespan in the history of Earth along with characteristic life forms.
Hadean
Archaean
Proterzoic
Phanerzoic
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Geography
![image](/tpl/images/cats/geografiya.png)
![image](/tpl/images/cats/geografiya.png)
Geography, 23.06.2019 15:10, haileyglowiak8183
What id the primary human cause of the global warming a. storage of nuclear fuel rods b. burning of fossil fuels c. building of high-density housing d. violent conflicts over natural resources
Answers: 2
![image](/tpl/images/cats/geografiya.png)
Geography, 23.06.2019 21:30, hollandhogenson
Soil is made of air water organic material minerals weathered rock
Answers: 1
![image](/tpl/images/cats/geografiya.png)
Geography, 24.06.2019 11:00, mrgutierrez1
Who were the kelvin-rus? describe who influenced them.
Answers: 1
You know the right answer?
The study of fossils has helped geologists divide Earth's history into four eons and a number of fin...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 28.01.2020 20:42
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 28.01.2020 20:42
![Konu](/tpl/images/cats/istoriya.png)
History, 28.01.2020 20:42
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/health.png)
Health, 28.01.2020 20:42
![Konu](/tpl/images/cats/en.png)
English, 28.01.2020 20:42