What problems arise when a volcano erupts near an urban area, like guatemala city, guatemala?

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?

Which struggle to place between colonist and soldiers in boston on march 5, 1770

Who was thomas jefferson and what was his constitution toward the development of the us government