EARTH! My First 4.54 Billion Years
含有布可能量：60
Who is the author?
Stacy Mcanulty.
The earth is the ______ planet from the sun.
third
The earth has _____ sibilings in its solar systems.
seven
The earth was born _____ billion years ago.
4.54
Which statement is true?
Dinosaurs had lived with the earth for 175 million years until asteroid.
