Which of the following accurately describes an important effect of the columbian exchange on the americas?
i figured it out it was: european, asian, and african plants became a party of the american environment.

Historical vs today's presidents (compare)

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change

Americans often refer to a country that is not the united states as a