Planet Earth, the world we live in, is known as the “Blue Planet”(as seen from outer space)
with more than 70% of its surface covered by oceans. The waters of our world are 97% salty …

Planet Earth, the world we live in, is known as the “Blue Planet”(as seen from outer space)
with more than 70% of its surface covered by oceans. The waters of our world are 97% salty …

Planet Earth, the world we live in, is known as the “Blue Planet”(as seen from outer space)
with more than 70% of its surface covered by oceans. The waters of our world are 97% salty …

Planet Earth, the world we live in, is known as the “Blue Planet”(as seen from outer space)
with more than 70% of its surface covered by oceans. The waters of our world are 97% salty …

Planet Earth, the world we live in, is known as the “Blue Planet”(as seen from outer space)
with more than 70% of its surface covered by oceans. The waters of our world are 97% salty …