Which is one step that geologists use to find the epicenter of an earthquake? OThey look at data from at least one seismograph.

O They measure the difference between arrival of P waves and S waves.

O They draw circles around the epicenter from three locations.

O They obtain information about the intensity of earthquakes from seismographs.

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel