Trees 🌳- There are more trees on Earth 🌎 than stars 🌟 on milky way 🌌 galaxy. Trees 🌳 also help in many ways .

Earth's names - There are so many names of planet Earth through out the history. 

1) Gaia or Gaea - This name was given from ancient Greek. 

2) Terra-  As Earth 🌎 is a terrestrial planet so it was named as Terra.

3) Prithvi Mata - It was given from Sanskrit word .

4) Mundus - Given by Romans

5) Orbis - This name was kept because The planet Earth 🌏 moves on it's orbit.

At last , the English word "Earth" came and finally kept this name permanently. It was derived from old English word .