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The Cretaceous Period ended approximately 66 million years ago, primarily due to a combination of catastrophic events, most notably a massive asteroid impact near present-day Chicxulub in Mexico. This impact caused widespread environmental disruption, including wildfires, tsunamis, and a "nuclear winter" effect that dramatically altered the climate. Additionally, significant volcanic activity in the Deccan Traps region of India may have contributed to the extinction by releasing large amounts of greenhouse gases. Together, these events led to the mass extinction of approximately 75% of Earth's species, including the non-avian dinosaurs.
What else can I help you with?
When did the BC time period end?
It ended when Christ was born
When did the Seven Years war begin and end?
The seven years war began in 1756 and ended in 1763.
Who was the military genius that led France out of the Revolution?
Napoleon Bonaparte ended the period of the French revolution in Nov.1899, by seizing power for himself.
A can only be ended with .?
The statement "A can only be ended with ." suggests that the subject in question has a definitive conclusion or termination point, which is marked by a period. This implies that there are no alternative endings or interpretations beyond this point. In a broader context, it could also indicate that certain situations, discussions, or narratives must reach a clear resolution.
Which plan of India is called rolling plan?
Fifth FYP was launched and planned for period 1974-79 but Janata government came in power in 1978 and ended the plan prematurely in 1978. The Janata government launched sixth FYP for period 1978-1983. Congress government when came in power in 1980 abandoned the sixth FYP and launched a new sixth FYP for period 1980-1985. The plan for period, 1978-80, is called the rolling plan.
What period of geologic time is also known as the age of the dinosaurs?
The age of dinosaurs is called the mezoic. this consists of three eras-the creatous, jurrasic and the
Do you start counting when your next period is from the day you started or the day you ended your last period?
from the day it ended.
The Acadian Orogeny ended this period?
Devonian Period
The period of national harmony ended because of?
The period of National Harmony ended because of "Regional Differences." - KK
What happened after the heian period ended?
The Nara period began
What ended the period?
the extinction of the dinosuars
What ended the permian period?
The Permian Period was ended by the Permian/Triassic Extinction Event, which wiped out 90% of the species on Earth at that time.
The period of detente with the Soviet Union ended with the?
ended with the Soviet invasion of Afghanistan.
When did Dutch period in Ceylon end?
Dutch period in Ceylon ended in 1796.
What was the time period in which Hebrew ended?
Hebrew never ended. It is still around today.
Ended with the Taconian Orogeny?
Ordovician period
Is it a missed period 28 days from when you started your last period or ended?
Usually ended, but everyone's cycle is different so it may be more days than that.
