Answer:
Biosafety level 3 requires at least two-door separation between the area where biohazards are used and the personnel not associated with the research, requires inward inflow into the lab and must have a visual mechanism to verify that air is flowing in the appropriate direction
Explanation:
Biosafety level 3 is required for clinical, diagnostic, teaching, researching or production laboratories working with microbes that are also following BSL-1 and BSL-2 but as these pathogenic agent can lead to life-threatening disease by inhaling it, besides other contaiment precautions, the BSL-3 facilities must have a separated entrance to laboratory door with unrestricted traffic flow and the lab must be behind two sets of self-closing doors and windows must be sealed, with a ventilation system properly directioned installed.
Answer:
But, in the 1500s, when the Spanish conquistador, Hernan Cortes, entered Aztec territory with a small band of his men, the Aztec misunderstood why they were there. The Aztecs through they were sent by their god, Quetzalcoatl. ... They were trying to keep their gods happy so the god would postpone the end of the world.
I hope this helps! :>
Answer:
No, i don't think it would happen
Austria and Serbia has been involved in several conflict even before the world war 1. They involved in economic conflicts in early 1900s that make the tension between the two countries became quite high, but they still do not have any proper reason to initiate war with one another.
The assassination of Archduke Ferdinand became a perfect trigger for the people who want the war to break out. It became really easy for them to gained support from the citizens to initiate an attack toward Serbia, which lead to the world war 1.
Explanation:
In 1803 Robert Livingston and James Monroe were sent to France to negotiate the purchase of the Louisiana Purchase. Originally the two met set out only to purchase New Orleans and the surround territory, however, by the end they eventually purchased the massive track of land that extended beyond the Mississippi River which greatly expanded the size of the United States.