2. the following scenario is an example of what kind of feedback? rising temperatures in a tropical location cause more evaporation of water. more water vapor in the atmosphere causes more clouds to form. the clouds block light and heat energy from the sun from reaching earth’s surface.

a) positive feedback

b)negative feedback

c)neutral feedback

d)both positive and negative feedback

Sean has a bag with 15 marbles. six of the marbles are red and 9 are blue. if sean draws one marble from the bag the probability of drawing a red marble is

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.

Which river is pictured on the map?