Here are the answers and walkthrough to Stupid Test Level 11 Question 6 – A tennis ball has rolled its way down into a hole. This particular hole is extremely deep, making the ball impossible to retrieve by hand. The ground around the hole is made of hard clay, so digging the ball out isn’t an option. What could you use to get the ball out?

• Water will make the tennis ball float to the surface

Answer

• water

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