Education Earth

1. EARTH 2. History of Earth • Earth and the other planets in the Solar System formed 4.54 billion years ago. • About 535 million years ago there have been five mass…

Education global warming presentation..

PowerPoint Presentation Global warmingâ¦. Contents covered Introduction History Causes Effects Global warming and climate change Graph Facts Why is global warming a concern…

Documents The History of Life on Earth As We Know It. The History of Earth Earth is ~ 4.5 billion years old...

Slide 1 The History of Life on Earth As We Know It Slide 2 The History of Earth Earth is ~ 4.5 billion years old Earth’s history is divided into four eons –Hadean Eon:…