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buildup of oxygen; first eukaryotes
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Asked 10/3/2010 2:12:08 PM
Updated 4/1/2023 12:33:59 AM
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User: buildup of oxygen; first eukaryotes

Weegy: Proterozoic Era
Expert answered|theresearcher|Points 2064|

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Asked 10/3/2010 2:12:08 PM
Updated 4/1/2023 12:33:59 AM
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Mesoproterozoic era: buildup of oxygen; first eukaryotes.
Added 4/1/2023 12:33:58 AM
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Weegy: hi User: Select all of the answers that apply. Which of the following are examples of the effects of living things on the atmosphere and climate? outgassing of volcanoes the buildup of oxygen in the atmosphere mass extinctions changes in levels of carbon dioxide Weegy: buildup of oxygen in the atmosphere mass extinctions changes in levels of carbon dioxide User: Select all of the answers that apply. In order to study the earth's climate history, scientists analyze _____. soil and dirt ice cores and rock records fossils of plants and animals oceans and lakes Weegy: They use Ice Core data and tree rings (More)
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Updated 10/23/2020 6:45:44 PM
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Select all of the answers that apply. In order to study the earth's climate history, scientists analyze: ice cores and rock records and fossils of plants and animals.

Added 10/23/2020 6:37:37 PM
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In order to study the earth's climate history, scientists analyze: ice cores and rock records and fossils of plants and animals.


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hitler used the presence of German citizens to justify his invasion of poland? true or false?
Weegy: False (More)
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Updated 5/28/2023 1:09:22 AM
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Hitler used the presence of German citizens to justify his invasion of poland. TRUE.
Added 5/28/2023 1:09:19 AM
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Phanerozoic eon
Weegy: The Proterozoic Eon is one of four eons of time making up the history of this planet. (More)
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Updated 12/7/2014 2:08:41 AM
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The Phanerozoic is the current geologic eon in the geologic timescale, and the one during which abundant animal life has existed.
Added 12/7/2014 2:08:41 AM
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Confirmed by selymi [12/7/2014 6:25:46 AM]
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