Answer: The overall lateral lenght of the San Andreas Fault is estimated by measuring the distance on similar terranes on both sides of the fault (continental x pacific). The lenght is increased by eathquake occurrence (here given as 5m per event) and a regular annual displacement rate (estimated in 0,10m per year).
Also, it is acceptable to consider a time lapse of 45 years between each earthquake (considering the major events of 1857, 1906, 1957 and 1989).
Those values of lenght on the fault are considered to vary from 150 to 350 miles. If we apply simple median arithmethical value of 250 miles between these numbers, against the obtained displacement rate of 5,1 meters (let´s set the annual displacement rate aside to balance) we have: 250 miles divided for 0,003 miles (5,1 meters converted to miles) is equal to: 83.333.
So, more than 80.000 thousand eathquakes (considering the movement was mostly made by these earth intercurrences) would be an acceptable number to account for the total actual displacement on the SAF.
The Earth has been around for approximately 4.6 billions of years. Humans first evolved from I believe apes around 5 million years ago, with Homo Sapiens evolving around 2 million years ago or so. The current calendar system we use today, the Gregorian system (in most western nations like America) marks the year 0 as the year Jesus Christ was born, not when the Earth was formed. Years before Jesus' birth are marked as B.C., with the numbers getting higher the earlier you go. In the Japanese system, the year is marked by how long the current Emperor has been in power, making the current year (2017) Heisei 29 in traditional Japanese calendars.
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Im probably super late by now- but the answer should be C... :)
<span>it doesn't matches with your options but it was formed in 1814
Although Christopher Columbus sighted
Guyana during his third voyage (in 1498), the Dutch were the first to
establish colonies: Essequibo (1616), Berbice (1627), and Demerara
(1752). After the British assumed control in 1796, the Dutch formally
ceded the area in <span>1814</span></span>