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What important development occurred at the end of the pennsylvanian epoch?
cause youre stuipd
The end of the Permian period was also the end of what Era?
The permian period was the end of the paleozoic era.
How did the Cambrian period end?
The Cambrian period ended around 485 million years ago with an event known as the Cambrian-Ordovician extinction. This extinction event is believed to have been caused by changes in the Earth's climate and sea levels, as well as volcanic activity. It resulted in the loss of many marine species, paving the way for the rise of new organisms during the subsequent Ordovician period.
What is cretaceous period?
The Cretaceous Period was the 3rd geological period in the Mesozoic Era. The end of the period would see the extinction of all non-avian dinosaurs as well as all the large marine reptiles, pterosaurs as well many other species of animals and plants. It lasted from 145.5 to 65.5 million years ago. It was the time between 2 extinction events, the smaller End Triassic Extinction event and the larger K-T Exinction event.
What event marks the beginning of the current geologic era on Earth?
The mass extinction event at the end of the Cretaceous Period marks the beginning of the Cenozoic Era. There are multiple hypotheses as to what caused or contributed to this extinction; current thought is that the Chicxulub meteorite event, combined with the already occurring volcanic trap eruptions in present day India provided the one-two punch that lead to the extinction. Regardless, the iridium rich KT boundary at the end of the Cretaceous marks the end of the reign of the dinosaur and the emergence of a great diversity in other species.
What is the definition of end mark?
This *might* be referring to end punctuation, i.e. the punctuation mark at the end of a sentence or question. It might be a period, a question mark, an exclamation mark.
Does a sentence have to end with a period?
If the sentence is a statement it has to end in a period. If it is a question it would end in a question mark (?) and if the sentence indicates stong feeling it would end in an exclamation mark (!)
What is an end punctuatiion mark that indicates the end of a sentence?
period
What kind of punctuation mark is a period?
A period is a punctuation mark used to indicate the end of a sentence or an abbreviation. It is a small dot placed at the end of a statement to mark a full stop.
What is used to mark the end of a sentence?
The end of a sentence can be a maked by any of three types of punctuation:A period (.)An exclamation point (!)A question mark (?).
Which of the following can you use to end a sentence?
You can end a sentence with a period.Hey, end it with an exclamation mark!What was the question?
End mark what does it look like?
Period - . Exclamation Point - ! Question Mark - ?
What punctuation mark is placed at the end of a declarative sentence?
A period (.) is placed at the end of a declarative sentence.
Do a period comes after a question mark?
A period isn't required when you use a question mark. In other words, only one should be used.
What mark did the carboniferous period end?
The Dinosaurs came
What are the sentence signals for the end of a sentence?
The two common sentence signals for the end of a sentence are a period (.) and a question mark (?). A period is used for declarative and imperative sentences, while a question mark is used for interrogative sentences.
Can a question ever end with a period?
No. A question always has to end with a question mark.
