Truths about how large facts depend upon the seventypercent value............
Water covers 70.9% of the Earth's surface, and is vitalfor all known forms of life. On Earth, 96.5% of the planet's water is found inoceans, 1.7% in groundwater, 1.7% in glaciers and the ice caps of Antarcticaand Greenland, a small fraction in other large water bodies, and 0.001% in the airas vapor, clouds (formed of solid and liquid water particles suspended in air),and precipitation. Only 2.5% of the Earth's water is fresh water, and 98.8% ofthat water is in ice and groundwater. Less than 0.3% of all freshwater is inrivers, lakes, and the atmosphere, and an even smaller amount of the Earth'sfreshwater (0.003%) is contained within biological bodies and manufacturedproducts.
The oceans are huge. About 70 percent of the planet iscovered in ocean, and the average depth of the ocean is several thousand feet(about 1,000 meters). Ninety-eight percent of the water on the planet is in theoceans, and therefore is unusable for drinking because of the salt. About 2percent of the planet's water is fresh, but 1.6 percent of the planet's wateris locked up in the polar ice caps and glaciers. Another 0.36 percent is foundunderground in aquifers and wells. Only about 0.036 percent of the planet'stotal water supply is found in lakes and rivers. That's still thousands oftrillions of gallons, but it's a very small amount compared to all the wateravailable.
Approximately 70% of the fresh water used by humans goesto agriculture
Other truths
In mathematics
Its factorization makes it a sphenicnumber. 70 is a Pell number and a generalized heptagonal number, one of onlytwo numbers to be both. Also, it is the seventh pentagonal number and thefourth 13-gonalnumber, as well as the fifth pentatope number. It is the smallest weird number.
Since it is possible to find sequencesof 70 consecutive integers such that each inner member shares a factor witheither the first or the last member, 70 is an ErdÅ‘s–Woods number.
In base 10, it is a Harshad number.
In science
70 is the atomic numberof ytterbium,a lanthanide
Astronomy
Messierobject M70, a magnitude9.0 globular cluster in the constellationSagittarius
The New General Catalogue object NGC 70, a magnitude 13.4 spiral galaxyin the constellation Andromeda
The Saros numberof the solar eclipse series which began on -821 September 5 and ended on 676February. The duration of Saros series 70 was 1496.5 years, and it contained 84solar eclipses. Further, the Saros number of the lunar eclipseseries which began on -519 June 13 and ended on 761 July. Theduration of Saros series 70 was 1280.1 years, and it contained 72 lunareclipses.
In religion
Seventy soulswent down to Egypt to begin the Hebrew's Egyptian exile (Genesis 46:27)
According to Jewishtradition, there is a core of 70 nations and 70 world languages.
In Jewishtradition, there were 70 men in the Great Sanhedrin,the Supreme Court of ancient Israel. (Sanhedrin 1:4).
Seventy elderswere assembled by Moseson God's commandin the desert (Numbers 11:16-30)
Ptolemy II Philadelphus ordered 72 Jewishelders to translate the Torah into Greek;the result was the Septuagint (from the Latinfor "seventy")
The Romannumeral seventy, LXX, is the scholarly symbol for the Septuagint.
In the Gospel ofMatthew, 18:21-22,Jesustells Peterto forgive people seventy times seven times.
In the Gospel ofLuke 10:1-24,Jesusappoints Seventy Disciples and sends them out in pairsto preach the Gospel.
Seventy, a priesthood office of The Church of Jesus Christof Latter-day Saints.
The OldTestament allots three score and ten (70 years) for a man's life (Psalm 90:10)
In law
70 years: Expiration of public domain
In sports
NASCAR J. D.McDuffie was known for driving car #70
in OlympicArchery, the targets are 70 meters from the archers
CollegeFootball Clemson University gave up 70 points to WVU inthe Orange Bowlin 2012: Setting the record as the most points ever given up in the history ofall bowl games.
In other fields
70 is:
the designationof USAInterstate 70,a freeway that goes from Utah to Maryland
Municipal Okrug70, name of Kolomyagi Municipal Okrugof Primorsky District of Saint Petersburg, Russia, until February 2011
In miles perhour, a common speed limit for freeways in many Americanstates, primarily in the central United States (in the Eastern U.S. the speedlimit is generally 65, in the Western U.S. it is 75).
In miles perhour, the national speed limit in the UnitedKingdom (for cars and motorcycles on the best grades of road).[2]
In years ofmarriage, the platinumwedding anniversary
The hull number of the U.S. Navy's nuclearaircraft carrier USS Carl Vinson (CVN-70), named after U.S.Representative Carl Vinson.
The number ofthe French department Haute-Saône
Historicalyears: AD 70, 70 BC, or 1970.
The number 70is frequently referenced by the musical duo Boards of Canada: they have songstitled "Sixtyten" (Music Has the Right to Children, 1998) and"The Smallest Weird Number" (Geogaddi,2002), and their record label is named Music70.
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