The ecosystem with the most concentrated selection of diverse plants and animals in the world is the located in latin america.
a. atacama desert
b. amazon rainforest
c. coniferous forest in the central american mountains
d. deciduous forest in the south american mountains

Agrid shows the positions of a subway stop and your house. the subway stop is located at (7, -7) and your house is located at (-3, 3). what is the distance, to the nearest unit, between your house and the subway stop? answersa-24b-19c-11d-14

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics