Mexico City, Mexico, and San Salvador, El Salvador, are both . A. located on islands B. located near active volcanoes C. at risk for hurricane flooding, as both are near the coast D. located on the Rio Grande Please select the best answer from the choices provided A B C D

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons