Scientists use models to
a. increase the duration of a volcanic eruption
b. change the location of a volcanic eruption
c. predict the damages due to an earthquake
d. stop the occurrence of tsunamis due to an earthquake

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.

The torque output of an engine is usually measured in the units of a rpm b bhp c foot pounds d feet per pound

Unlike plato, aristotle emphasized that knowledge is a product of