passive immunity
This is because the two types of pox are related. Someone exposed to cowpox will develop antibodies to the cowpox. These antibodies will help fight against small pox. This phenomenon was observed by Edward Jenner, who used it to create a smallpox vaccine. (The word "vaccine" is related to the Latin word for "cow".)
caves will most likely develop whare caves develop.
they are likely to develop at warm humid areas.
They are the white blood cells, also called erythrocytes, depending on the type of antibodies they are most likely T-Cells
It varies, but most likely not.
A tornadic thunderstorm is most likely to develop over the Great Plains.
a fever.
Nationalism is most likely to develop in areas where there is a common origin, ethnicity, or cultural ties.
You can get passive immunity through a placenta when you are a fetus in your mothers womb or you can be injected with antibodies that have most likely been forced to grow due to somebody putting a disease in an animal such as a rabbit. Unfortunately passive immunity does not last very long because the antibodies are detached from their white blood cells which keeps them a live and also stores the antibodies in their memory so you can not become immune forever via passive immunity as it is only passive e.g. short lived/quick
Early cities were most likely to develop near water because this made it easy to find food and to have fresh water. They were also likely to develop near mining areas and places where jobs were prevalent.
Cancer
Cancer