Select the correct answer. Where do tectonic activities, such as earthquakes or volcanic eruptions, tend to occur?

A.
near plate boundaries

B.
near all mountains

C.
in the center of continents

D.
only on the ocean floor

Which of the following would not be considered a geographic impact on the history of middle and south america? a. the relative geographic isolation of the americas meant that they would be more susceptible to european diseases. b. ernesto “che” guevara's trip throughout south america inspired him to become a revolutionary. c. the tropical climate of north america has encouraged many south american countries to produce goods there. d. the proximity of the united states to middle and south america has strengthened its relationship to the region.