Answer:The Egyptians were protected from invaders due to their geographical features. For example, they had the Mediterranean Sea to the north along with the Nile Delta. This body of water blocks off land on the other side. ... Furthermore, the cataracts in the Nile to the south protected the Egyptians from lands below them.
Explanation:
Answer:
The man
Explanation:
because of the medical field
<span>The year with out a summer happened during 1816 when weather in Europe and North America took a bizarre turn that resulted in widespread crop failures and even famine. Cold temperatures returned. The lack of sunlight became so severe that farmers lost their crops and food shortages were reported in Ireland, France, England, and the United States.
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Parent rock is important in different cultures
Answer:
The most recent eon is subdivided into three eras and eleven periods.
Explanation:
The geological time scale has been constructed so that it can help in better research and understanding of the past, as well as making it easier to distinguish the past and its characteristics at a certain time. There are larger and smaller divisions in the geologic time scale, with the eon being the largest unit, followed by era, and then period.
The most recent eon is the Paherozoic, starting from 542 million years ago and still going on. It is subdivided into three eras and eleven periods so far. The three eras are:
- Paleozoic
- Mesozoic
- Cenozoic
The eleven periods are:
- Cambrian
- Ordovician
- Silurian
- Devonian
- Carboniferous
- Permian
- Triassic
- Jurassic
- Cretaceous
- Tertiary
- Quaternary