<span>The caesar salad was first served at a restaurant in MEXICO
caesar salad was invented by a man named </span><span>Caesar Cardini and first sold in a Mexican restaurant in 1924
It was first brought into united states as a food to celebrate the 4th of july in 1946 by his daughter.</span>
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.
Twelve days passed until they found the person that shot Lincoln
