"The Silurian is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at 443.8 million years ago, to the beginning of the Devonian Period, 419.2 Mya.<span> <span>Wikipedia."
https://www.google.com/search?q=He+Silurian+period+occurred&rlz=1C1RUCY_enUS760US760&oq=He+Silurian+...
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The line located at 0° latitude is the equator.
Answer:
this is how many things happened during that time... The Sixties dominated by the Vietnam War, Civil Rights Protests, the 60s also the assassinations of US President John F Kennedy and Martin Luther King, and the Cuban Missile Crisis. I would predict that many lions died during that time especially during the Cuban Missile Crisis, but I also predict that nothing severe happened to them because they are still one of the most popular animals...
Explanation: hope this helped.
Answer:
the expanse of salt water that covers most of the earth's
Why Farmland is Abandoned:
As groundwater pumping increased, water tables dropped, requiring pumping from deeper levels and at greater costs. Because of the increased cost, irrigation became prohibitively expensive. Farms thus were abandoned as unprofitable, especially in Cochise and Pinal counties.
