Answer:
4 billion years
Explanation:
Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks. Earth formed about 4.6 billion years ago from a disk of gas and dust circling the sun.
The change is due to the motion of the Earth in its orbit around the sun
Answer:
El departamento fue creado el 22 de junio de 1865. El 14 de julio de 2009, el presidente de El Salvador, Mauricio Funes nombró al empresario de origen palestino Carlos Jacobo Hándal Hasbún como gobernador departamental de Usulután. ... Usulután posee una extensión territorial de 2,130.44 Km2.
Explanation:
