l
spread out
Stratus clouds
printing press
maybe cirrus
Africa
Modern evidence suggests that Homo sapiens originated in Africa and then migrated to other parts of the world around 60,000 years ago. This out-of-Africa theory is supported by genetic, fossil, and archaeological evidence.
Mostly that would be religion and politics.
A lot of evidence supports the theory that human beings originated in central Africa, and migrated out of Africa to the east in two major magrations very roughly 100,000 and 60,000 years ago. See the link to the Genographic Project.
culex mosquito spread malaria in sparrow but anopheles mosquito spread malaria in human beings.
A lot of evidence supports the theory that human beings originated in central Africa, and migrated out of Africa to the east in two major magrations very roughly 100,000 and 60,000 years ago. See the link to the Genographic Project.
A lot of evidence supports the theory that human beings originated in central Africa, and migrated out of Africa to the east in two major magrations very roughly 100,000 and 60,000 years ago. See the link to the Genographic Project.
all derive from a single African lineage that spread from there into other parts of the world starting relocation about 50,000 years ago
All human beings, gay or straight, have the capacity to spread disease. More straight people spread disease than gay people.
In modern mythology, it is spread by being bitten by a werewolf.
mice can sometimes spread diseases that can kill numorus numbers of human beings and such.
Although some modern scholars believe religious zeal was Columbus' main motivation for the voyages, there isn't much substantial evidence to show that he made active Christians of any significant groups of people.