um i dont get the question
Africa is in the Southern Hemisphere and the Eastern Hamisphere
The right answer is the third one: the bubonic plague originated in the Gobi Desert, part of the then Mongol Empire, around 1320. It then propagated to China and subsequently to India, Europe and Russia. The disease spread via trade routes mainly as a result of a poor hygiene. It never reached the American continent or Sub-Saharan Africa.
This means that carbon has 6 protons, and 6 electrons. This also means that the 2nd shell of a carbon atom is only half full with 4 atoms.
