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What period did the formation of the oxygen atmosphere occur?
The formation of the oxygen atmosphere on Earth occurred about 2.4 billion years ago during the Great Oxidation Event in the Proterozoic Eon. This period marked a significant increase in atmospheric oxygen levels due to the photosynthetic activity of early cyanobacteria.
What is the example of tertiary colors?
Tertiary colors are created by mixing a primary color with an adjacent secondary color on the color wheel. Examples of tertiary colors include red-orange, yellow-green, and blue-violet.
How are colors arranged in a tertiary rainbow?
Rays leaving raindrops after three reflections produce a tertiary rainbow. Unlike the primary and secondary bows which are opposite the sun and centered on the antisolar point, the tertiary appears sunwards and centered on the sun.See the related link.
Which planet is hotter than Mercury has a longer period of rotation than revolution and has an atmosphere of about 97 percent carbon dioxide?
mercury
What is the name for an event where a large number of small meteoroids enter earth's atmosphere in a short period of time?
Meteor shower
What were some examples of the mammals of the tertiary period?
All mammals present today are example of tertiary period mammals as we are living in tertiary period .
Why would people to go to the tertiary period?
The "tertiary period" is not a place you can go to. It is a time period - in the remote past of Earth. Since it is in the past, you can't go there.
Was the k-t extinction in the Tertiary period?
The k-t extinction was ~65million years ago and marks the transition from the Cretaceous to the Tertiary period.
How did the earths environment change from the Tertiary period to the Quaternary period?
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How did earth's environment change from the tertiary period to the Quaternary period?
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How did earths environments change from tertiary period to the quaternary period?
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What is the last epoch in Tertiary period?
pleiocene
How did the tertiary time period end?
the Apocalypse
What did earths surface look like in the tertiary period?
During the Tertiary Period, the surface of the earth looked much like it does today. It was quite warm with periods of cold much like today.
Did the K-T extinction occur before or during the Tertiary period?
The Tertiary Period (65.5 to 2.588Ma) is the informal name for the geological period that followed the K-T extinction event. So the K-T event happened before the Tertiary. In fact "K-T" is actually short for Cretaceous-Tertiary as it marked the end of the Cretaceous and the start of the Tertiary.The lower tertiary is more formally known as the Paleogene Period(65.5 - 23.03 Ma) and the upper Tertiary is more formally known as the Neogene Period(23.03 - 2.588Ma).
How many epochs in the Tertiary period?
The Tertiary Period (including the Pliocene, Miocene, Oligocene, Eocene, and Paleocene Epochs) lasted from about 65 million years ago to 1.8 million years ago. It is part of the Cenozoic Era, along with the Quarternary Period.
What is tertiary pollution?
Tertiary pollution occurs from damaging emissions being released into the atmosphere. This type of pollution can effect water supplies so tertiary water treatments are often used.
