Explain the process of water outgassing. In which natural phenomena would you typically see this occurring today? If the quantity of water on Earth has been quite constant in volume for at least 2...

Explain the process of water outgassing. In which natural phenomena would you typically see this occurring today?

If the quantity of water on Earth has been quite constant in volume for at least 2 billion years, how can sea level have fluctuated? Explain.