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About 88 percent of earth's history is within the expanse of time before the phanerozoic era which is called the?
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∙ 7y ago
precambrian
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∙ 7y ago
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Major divisions of earths history are?
BC - Before Christ AD - Anno Domini
What percent of radiation is lost before reaching earth's surface?
25% is absorbed by clouds.25% is reflected by clouds.So 50% of the sun's radiation is lost before it reaches earth's surface.See the diagram link below.
What is the percent of relative humidity when raining?
The relative humidity when it is raining is generally considered to be 100% since if it was lower the rain would evaporate before it reach the ground.
What is the glacial period of history?
A glacial period is like the time of ice ages, when the most of the earth is covered in ice and snow.
Who discovered the element iron-?
The use of iron dates back before recorded history. It is unknown who discovered iron.This answer is unknown due to the fact that the element was discovered before reliable records were created.It was been discoved for ancient times.
Which feature best marks the edge of a continent?
The expanse of land known as a 'continental shelf' where seawater is shallow, before it drops off into the ocean.
Who cane first vikings or Romans?
The Romans were prominent in history hundreds of years before the Vikings.The Romans were prominent in history hundreds of years before the Vikings.The Romans were prominent in history hundreds of years before the Vikings.The Romans were prominent in history hundreds of years before the Vikings.The Romans were prominent in history hundreds of years before the Vikings.The Romans were prominent in history hundreds of years before the Vikings.The Romans were prominent in history hundreds of years before the Vikings.The Romans were prominent in history hundreds of years before the Vikings.The Romans were prominent in history hundreds of years before the Vikings.
What is the definition of 'prehistory'?
'Pre', or before, and History form the word prehistory, so "Before - History" History is mostly a made up idea from humans, and it is written history that is "History" So yeah. Before written history, like the other answer to this question.
What time in the past doe prehistoric refer to?
before recorded history
What comes before medieval history?
Ancient history
What percent of power drops before generator starts?
On a standby generator 100 percent of the power drops before the generator will start.
When was the Precambrian Supereon and how long did it last?
The Precambrian is the largest span of time in Earth's history before the current Phanerozoic Eon, and is a Supereon divided into several eons of the geologic time scale. It spans from the formation of Earth about 4.6 billion years ago (Ga) to the beginning of the Cambrian Period, about 541.0 ± 1.0 million years ago (Ma), when hard-shelled creatures first appeared in abundance.
Define the terms 'history' and 'pre-history'?
Pre-history is the time before writing, where as history is after.
What percent of New Orleans population left the city before the storm?
80 percent
From a time before written history?
Before history was written down people passed down their history by telling stories.
How are history and prehistory are alike?
prehistory is before and history is now
Is it all right to take a hpt the night before your expected period. what percent do I have of being pregnant if I can take it the night before?
u would have 54 percent because it was the night before
