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Which of these extinctions killed off the dinosaurs? Cretaceous-Tertiary, End Triassic,Permian-Triassic,Late Devonian, or Ordovician-Silurian?
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Asked 3/25/2009 1:24:33 PM
Updated 7/23/2023 12:09:52 AM
6 Answers/Comments
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User: Which of these extinctions killed off the dinosaurs? Cretaceous-Tertiary, End Triassic,Permian-Triassic,Late Devonian, or Ordovician-Silurian?

Weegy: Ordovician-Silurian



User: Which of these extinctions had the worst mass extinction in Earth's history? Cretaceous-Tertiary, End Triassic,Permian-Triassic, or Late Devonian?

Weegy: Late Devonian
Expert answered|There is Hope|Points 83|

User: Which of these extinctions possibly caused by forest grow on Earth's land surface? Cretaceous-Tertiary, End Triassic, or Permian-Triassic?

Weegy: Cretaceous-Tertiary
Expert answered|There is Hope|Points 83|

User: Which of these extinctions the earliest mass extinction on record? End Triassic, or Permian-Triassic?

Weegy: Permian-Triasic
Expert answered|There is Hope|Points 83|

User: What are the possible causes of the Late Devonian extinction?

Weegy: Do you have the multiple choices? or only blank answer?
Expert answered|There is Hope|Points 83|

User: It may be more than one! asteroid hitting the earth, sea level changes, overpopulation of sea organisms, growth of land forests, or climate changes?

Weegy: Two prominent theories of extinction are climate change and an asteroid hitting the Earth.
Expert answered|There is Hope|Points 83|

User: The mass extinction that was most likely caused by the formation and retreat of glaciers was the _____ extinction. Cretaceous-Tertiary, End Triassic, Permian-Triassic, Late Devonian, or Ordovician-Silurian?

Weegy: Ordovician-Silurian
Expert answered|There is Hope|Points 83|

User: Before the Ordovician-Silurian extinction, the diversity of life on Earth was growing enormously due to _____. shallow, warm, continental seas, overpopulation of land forests, cold, glaciated oceans, unknown reasons, or comets hitting the earth?

Weegy: Over population of land forrest
Expert answered|There is Hope|Points 83|

Question
Asked 3/25/2009 1:24:33 PM
Updated 7/23/2023 12:09:52 AM
6 Answers/Comments
New answers
Rating
3
Cretaceous-Tertiary extinctions killed off the dinosaurs.
Explanation:
Scientists refer to the major extinction that wiped out non-avian dinosaurs as the K-T extinction, because it happened at the end of the Cretaceous period and the beginning of the Tertiary period.
Added 7/23/2023 12:09:31 AM
This answer has been confirmed as correct and helpful.
3
Permian-Triassic extinctions had the worst mass extinction in Earth's history.
Added 7/23/2023 12:09:34 AM
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3
Late Devonian extinctions possibly caused by forest grow on Earth's land surface.

Added 7/23/2023 12:09:39 AM
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3
Asteroids hitting the earth, the growth of forests, climatic changes, and sea level changes. - are the possible causes of the Late Devonian extinction.
Added 7/23/2023 12:09:42 AM
This answer has been confirmed as correct and helpful.
3
The mass extinction that was most likely caused by the formation and retreat of glaciers was the Ordovician-Silurian extinction.
Added 7/23/2023 12:09:47 AM
This answer has been confirmed as correct and helpful.
3
Before the Ordovician-Silurian extinction, the diversity of life on Earth was growing enormously due to: shallow, warm and continental seas.
Added 7/23/2023 12:09:52 AM
This answer has been confirmed as correct and helpful.
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buoyancy: temperature scale with water freezing at 0° and boiling at 100°, same as Celsius,space occupied, measured in cubic units, temperature scale with water freezing at 32° and boiling at 212°,curved top surface of a liquid column, the tendency of an object to float in a fluid, or the tendency of an object to float in a fluid
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Expert Answered
Updated 116 days ago|2/18/2025 10:11:49 AM
1 Answer/Comment
The meniscus is the curved top surface of a liquid column.

Added 116 days ago|2/18/2025 10:11:49 AM
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What is the meaning of Cretaceous-Tertiary?
Weegy: hi that means dinasaur period User: What is the meaning of End Triassic? (More)
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Expert Answered
Updated 3/29/2022 12:53:18 PM
1 Answer/Comment
End-Triassic extinction, also called Triassic-Jurassic extinction, global extinction event occurring at the end of the Triassic Period (about 252 million to 201 million years ago) that resulted in the demise of some 76 percent of all marine and terrestrial species and about 20 percent of all taxonomic families.

Added 3/29/2022 12:53:18 PM
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What is the meaning of End Triassic?
Weegy: ill have that for you in a sec User: Yes, a lot! I hope you have a lot of time! Weegy: I have plenty of time //*_*\\ User: What are the possible causes of the Late Devonian extinction? ANSWERS TO CHOOSE FROM (may be more than one answer!) : asteroid hitting the earth, sea level changes, overpopulation of sea organisms, growth of land forests, or climate changes? (More)
Question
Expert Answered
Updated 10/22/2021 7:07:08 AM
1 Answer/Comment
Asteroid hitting the earth, sea level changes, and climate changes are the possible causes of the Late Devonian extinction.
Added 10/22/2021 7:07:08 AM
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Expert Answered
Updated 12/27/2022 1:44:25 PM
1 Answer/Comment
I've heard of the author, although I haven't read his books. Subordination conjunction: although. Relationship: Condition.
Added 12/27/2022 1:44:25 PM
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Few people noticed ____ directed the play. who, or whom?
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Updated 11/22/2015 8:03:35 PM
1 Answer/Comment

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Added 11/22/2015 8:03:35 PM
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