Earthquakes and volcanoes are caused by geological events and have much in common. Which of the following is true about both earthquakes and volcanoes? A. Volcanic activity may cause earthquakes.

B. Earthquakes are pretty common, but volcanic eruptions are rare events.

C. Earthquakes and volcanic eruptions tend to occur most frequently in the center of a tectonic plate.

D. Tectonic plate movement plays a role in the formation of volcanoes, but has nothing to do with the strength of earthquakes.

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

Explain the value of statistics and other data to positive economics and to normative economics

Select the correct answer from each drop-down menu. this map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shows a decrease in precipitation, and blue shows an increase. the maps differ based on the predicted levels of greenhouse gas emissions. the maps show that northern areas should get . southern areas will likely get . to use these maps to prepare for natural disasters in the great plains, scientists need to ask, ?