Universal Reference Guide - EARTH

Planet Earth is the only known planet in our Solar System capable of supporting life. This book takes you on a fascinating journey through Earth''s history exploring how it formed over 4.5 billion years ago. Starting as a hot molten ball of rock Earth slowly cooled and developed its atmosphere oceans and landmasses. The delicate balance of water air and temperature created the perfect conditions for life to emerge.The book explains how life began in the oceans with tiny microorganisms and eventually evolved into more complex creatures like plants fish dinosaurs and mammals. Youll learn about the different eras of Earth''s history from the age of the dinosaurs to the rise of humans. Each era was shaped by environmental changes like ice ages and volcanic eruptions that impacted the survival of various species.Today Earth is home to millions of species from the smallest bacteria to the largest whales. This book looks at how humans have changed the planet both positively and negatively and what we can do to protect it for future generations. Packed with interesting facts and illustrations the book reveals the story of our planet the lifeforms it has nurtured and how it continues to evolve.