1 shale
2 schist
3 conglomerate
4 granite
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
Answer: dead animals
explanation:
It was all of the above
The idea began with the expansionist program called the Manifest Destiny, a doctrine which said that it was God's plan for the United States to grow from coast to coast.
The Homestead Act was used to encourage families to settle in new areas by providing them 160 Acres of free land on the condition that they stay there for 5 years.
The discovery of Gold and the development of railroads further helped make it easy and more attractive to settle in western lands.
When modernization reached the west coast and populations increased, these areas became attractive areas of settlement for everyone
Answer: it’s, travels through air, liquid, or solid and move in the same direction as the energy flow
Explanation: