Your answer is b ok that would be the best answer
Answer:
C.) The Columbian exchange
Explanation:
It is called the Columbian exchange to the process occurred between the fifteenth and sixteenth centuries in which agricultural products and other foods of the New World (the American continent) in the Old World (Europe, Africa and Asia) and vice versa were made known. A broader definition also includes technological advances, demographics and even diseases. The term was coined by the American historian Alfred Crosby in 1972 in his book The Columbian Exchange
Answer:
Fun fact! Cleopatra was not attracted to him. She used him as a way to gain back her power after her older brother forced out of the throne. <em>He</em> fell in love with <em>her</em> and she got her power back.
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.