One analysis that can be seen is the drastic decrease in comparison to other age ranges in the amount of men & women that is located in the age range of 30 - 35. This is the 1950s, which is only 10 -15 years after World War II. This population segment was hit the hardest, and were the ones that were drafted into the war. This explains why there is a detriment in the amount of people inside that age range that is still alive.
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The biosphere is the portion of the earth that supports living things.
Fair and unbiased will be your correct answer.
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