How Did Earth Get Its Water?

The video explores the origins of water on Earth, starting with the water cycle and its ancient history. It explains the formation of hydrogen and oxygen in the universe, and presents theories on how water arrived on Earth, including the icy dust theory and the comet and asteroid theory. The video concludes with a summary and thanks to supporters.

What are the basic components of water?

• Two oxygen atoms bonded to a hydrogen atom

• Two hydrogen atoms bonded to an oxygen atom

• One hydrogen atom bonded to two oxygen atoms

• Two helium atoms bonded to an oxygen atom

Which process in stars leads to the formation of heavier elements like oxygen?

• Radioactive decay

• Nuclear fusion

• Chemical bonding

• Nuclear fission

What is one theory about how water became part of Earth?

• Water was created by volcanic eruptions

• Water was part of the original planetary matter

• Water was synthesized by ancient bacteria

• Water was formed by the Earth's magnetic field

What is the term for water with a higher concentration of deuterium?

• Light water

• Heavy water

• Mineral water

• Distilled water

What period is associated with the theory of water delivery by comets and asteroids?

• The Big Bang

• The Ice Age

• The Late Heavy Bombardment

• The Cambrian Explosion