The Ocean
Looking at our Earth from space, it is obvious that we live on a water planet. Ocean covers over 70 percent of Earth's surface and contains about 97 percent of Earth's surface water. How much do you know about our ocean?
Answer questions like ...
- What is sea surface salinity?
- Which of these has a greater effect on global sea level?
- The ocean affects the climate on our planet.
Use the green Start Show button above to start playing!