1. Volcanos 2. How does a volcano erupt? 1) Hot gases build up underneath the tectonic plates where the magma is. 2) The hot gases build pressure pressure 3) Once there is…

1. HAZARDSCombination of natural and humanprocesses. A hazard is an event with thepotential to damage human activity. 2. Structure of the Earth• Inner Coresolid, iron and…

1. Volcanoes 2. How Volcanoes Form volcano: a mountain that forms when red hot melted rock flows through a crack into the earth’s surface magma:…

Slide 1 Chapter 6 Regional Geography of North America P 160-180 Slide 2 Introduction  North America is made up of a variety of landscapes  Earth is 4.5 billion years…

Slide 1 The Earth Slide 2 The Layers of the Earth! Slide 3 Earth Layers The Earth is divided into four main layers. *Inner Core *Outer Core *Mantle *Crust Slide 4 The Crust…

TERRA FIRMA TERRA FIRMA Plate interactions Earthâs interior ⢠crust under the oceans - basalt (more dense) ⢠crust under the continents - granite (less dense) ⢅