Deseases can be spread by dont ask me I dont know heh heh heh
Well the columbian Exchange started when Christopher Columbus brought it from the americas in 1492. They imported corn,potato,squash,beans,and tomatoes. Oh but we cant forget one Big thing that impacted them deseases. The deseases killed millions of native americans half of the population died
It was long ago Islam was spread.It was at Egypt,Arab...Yemen...it was spread from a religious man..
The spread of Greek culture.
the han dynasty spread east of China!
Fleas spread the plague
Communicable diseases are ones that are easy to spread, like the flu. If you have the flu, you can spread it by coughing or even talking to a person.
They do not spread deseases actively, but may carry pathogens like Salmonella.
ABSTINENCE
To Prevent Deseases And To *****
true
they transmit deseases to humans
First of all, living conditions were horrible in the middle ages so deseases spread easily. The black death spread when fleas bit infected rats, then bit people. Because there was an abundance of fleas and rats the disease spread quickly an nobody knew how to cure it so a lot of people died.
deseases
choleracommon coldcerebral palsy
What are the 5 kinds of deseases their functions
deseases
Older frogs will get deseases or will be eaten by predators.