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How do scientists determine the boundaries of the different time periods?
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Illustrate a disconformity?
A disconformity is a type of unconformity between different periods of rock. A disconformity tends to show scientists. periods of erosion.
How is the geologic time scale used in science?
A geologic time scale is a scale that was developed by scientists to show when and for how long different events happened in the Earth's history. Some events included on the scale are when plant life appeared, when mountains were formed and when dinosaurs roamed the Earth. The geologic time scale divides Earth's history into periods such as the Cretaceous, Jurassic and Triassic periods.
Why do scientists know very little about the Precambrian's?
Changes separated by long periods of little or no changes with no intermediate forms of species.😐😉
How many periods are in each era?
there are different periods in each era. In the Cenozoic era, there are 2 periods, Quaternary and Tertiary. Mesozoic era has 3 periods, Cretaceous, Jurassic, and Triassic. Paleozoic has 7 periods, Permian, Carboniferous, Devonian, Silurian, Ordovician, and Cambrian. Precambrian is just the present, no time periods in it.
What causes the periods of daylight and darkness to vary at different latitudes throughout the year?
earths tilt
Illustrate a disconformity?
A disconformity is a type of unconformity between different periods of rock. A disconformity tends to show scientists. periods of erosion.
How do scientists know that dinosaurs and dogs did not exist in the same geological eras?
because it was different time periods that is why they did not live in the same era
What do scientists call the change in species over long periods of time?
Evolution is the change in species over long periods of time.
How much are cd rates at banks?
There are many different factors that determine the interest rates on a bank CD. A good place to check is Bankrate.com where you can compare rates today for different periods of time.
What are the names of homes in Antarctica that humans live in?
Antarctica is home only to scientists, and for short periods of time. These scientists live in the "bases" developed by their countries.
What are the divided time periods of different emperors called?
Periods of reign.
Can an employer require different waiting periods for medical coverage per class of employees?
Yes, an employer can require different waiting periods. Different levels of jobs may have different benefits which would require various waiting periods.
What are the release dates for Costumes of Different Periods - 1912?
Costumes of Different Periods - 1912 was released on: USA: 4 June 1912
What is one major different between region and a period?
A region is a geographical area with specific characteristics, such as climate or culture, while a period refers to a specific point in time or era within history. Regions are defined by their spatial boundaries, while periods are defined by their temporal boundaries.
Your periods are from 9 days why?
some peoples periods last 2 days we are all different.
How do the Maya's and the Inca's differ?
They were from different time periods and different places.
What are the different time periods?
If I lived in a different time period it would be
