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About 85 percent of geologic time is represented by the time span called?
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∙ 12y ago
Precambrian
This period is also split into two Eons: Archean (from 2.5 billion to 4.5 billion years ago) and Proterozoic (from 542 million to 2.5 billion years ago).
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∙ 12y ago
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Span of geologic time that is subdivided into periods?
Era
Approximately how many years does the Earth's geologic time scale span?
4.6 billion years
How many inches are in a span?
The unit of measurement called the span is equal to 9 inches. There are 2 spans in one cubit.
The ability of a material to span horizontal distances with a minimum of support is called?
Tensile Strength -In architecture, the ability of a material to span horizontal distances with a minimum of support from underneath.
What is the gap of a streched hand width?
It is called the span. Obviously it differs from person to person
About 88 percent of geologic time is represented by the time span called what?
88 percent of geologic time is represented by the Precambrian time span.
What is a long span of geologic time called?
An Eon.
What is an era in geologic time?
an era is a very long span of geologic time
Span of geologic time that is subdivided into periods?
Era
Why is the geologic time scale used to show the Earth's history?
because the time span of earth past is so great geologic
How many years does the earths geologic time scale span?
4.6 billion years
Approximately how many years does the earth's geologic time span?
4.6 billion years
What percentage of geologic time do humans span?
Humans span roughly 0.0044% (about 4 thousandths of one precent) of the time since the Earth was formed.
Approximately how many years does the Earth's geologic time scale span?
4.6 billion years
What causes a gap in the geologic record?
Erosion of already deposited layers or a time span of non-deposition.
What is the largest subdivision of geologic time?
The longest in geological time is an Eon eg. Archeozoic Eon . Edit: there is also the supereon, which is usually composed of 2-3 eons.
What is the remain of an organism that lived during a short well defined geologic time span?
Probably it is dung that is a fossil
