Junio 2017
ANÁLISIS PUBLICITARIO Noemí Nevárez
In this issue: AROUND THE WORLD Earth's lithosphere is divided into several rigid tectonic plates that migrate across the surface.
EXPLORING THE TROPICS The majority of Earth's polar regions are covered in ice, including the Antarctic ice sheet and the sea ice
CROSSING THE BOUNDARIES Earth's interior remains active with a solid iron inner core, a liquid outer core that generates.
C'EST LA VIE The main part of Earth's magnetic field is generated in the core, the site of a dynamo process that converts energy.