2. The type of diffusion that is the result
of direct human interaction is
diffusion
contagious
expansion
expository
relocation

Why is the improved education of girls so important, especially with regard to economics and health? what are the leading causes of death among teenage girls in africa and how are they tied to education?

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.