WONDER #1216: What Keeps the Ocean from Draining Through the Sand?
Question 1 of 3
About how much water is in the world’s oceans?
- 321 million cubic miles
- 321 billion gallons
- 321 gallons
- 123 trillion cubic miles
Question 2 of 3
Which of the following is probably NOT a material you’d find making up the ocean floor?
Question 3 of 3
What natural process helps keep the world’s oceans full?
- water cycle
Check your answers online at https://wonderopolis.org/wonder/what-keeps-the-ocean-from-draining-through-the-sand.