They sell products through ads.
Answer:
Small pox, cacao, tobacco, tomatoes, potatoes, corn, peanuts, and pumpkins.
Explanation:
In the Columbian Exchange, transportation of plants, animals, diseases, technologies, and people from one continent to another held. Crops like cacao, tobacco, tomatoes, potatoes, corn, peanuts, and pumpkins were transported from the Americas to rest of the world. Due to this exchange, Native Americans were also infected with smallpox disease that killed about 90% of Native Americans because this is a new disease for them and they have no immunity against this disease. Due to this disease, the population of native Americans decreases and the population of English people increases due to more settlement.
Answer:
Because people just give out the verified things to the first person to answer their question
Explanation:
C-hard disk, DVD and cd are laser technology, and for usb - flash memory
