Identify the major topographical units of Ethiopia and its sub units​

What weather system might be occurring if the pressure gradient decreases and fish harvests in peru are weaker than normal

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

Plzz on what physical process is responsible for the creation of volcanoes, earthquakes and ocean trenches at the plate margins?