The walls of Benin city and the other Hausa city states contribute to their development ans success because it <span>protected people and made merchants feel safe</span>
The triangle stopped first at the the West Indies from Africa where most slaves were pulled off board, then sent on to ports such as New Orleans to be sold. In this context, the closest would be A.
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.
If you meant could then the next one in line would be the speaker of the house.