INTRODUCTION

WELCOME EXPLORERS !

NASA sent us an email saying that they have invited us to making an amazing trip around the world , in order to discover and learn about the different ecosystems we have in our planet.

First of all,we are going to watch a video so you can remember the principal information about ecosystems

 Now that we have remembered everything about the ecosystems we are going to take a plane . You will discover be ha different secrets that the Earth hides.