Body substance isolation is the precautionary practice of isolating body substances of individuals who are undergoing medical treatment especially emergency treatment. The method is generally preferred because, it is an exceptionally effective method for isolating health workers from both air-borne and blood-borne pathogens.
Columbian exchange just may be the single most important event in the modern history of the world the Columbian exchange explained why Indian and nations Collabs and European Colonies Dr., Columbus arrival in the New World in 1942
Slavery for sure. I believe the second one is economic differences between the North and the South.
Because they are racist and racist people love people who are racist like them and so they gain popularity like that
<span>Ptolemy might rather be remembered for his contributions to geography than to astronomy. His maps of the world were so accurate for the time that they were used by scholars all over the world for centuries. Christopher Columbus based his theory of finding a westward route to India on Ptolemy's maps. Ptolemy's book Guide to Geography is often considered the beginning of the modern science of cartography, or mapmaking. The strength of the Guide to Geography is that in it, Ptolemy used the important system of latitude and longitude, the lines on a map that pinpoint certain locations, for the first time. The basic idea of latitude and longitude had been suggested by the Greek astronomer and geographer Eratosthenes 400 years before, but it was Ptolemy who developed a system detailed enough to be practical.The book lists the latitude and longitude of about 8,000 geographical locations known to the ancient world. Considering the simple tools and conflicting information Ptolemy had to work with, his maps are remarkably accurate.</span>