The Leaning Tower of Pisa is losing its tilt

The Leaning Tower of Pisa was built on unstable clay and sand, causing it to tilt during construction. By 1990, it leaned 6 degrees, prompting closure for safety. Stabilization involved cables, counterweights, and soil removal. Since reopening in 2001, the tower has lost 1.5 inches of tilt and is now stable.

What was the primary reason for the initial tilt of the Tower of Pisa?

• The tower was built on a hill.

• The foundation was made of clay and sand.

• The tower was built too tall.

• The construction materials were too heavy.

By 1990, how many degrees was the Tower of Pisa leaning?

• 6 degrees

• 9 degrees

• 12 degrees

• 3 degrees

What action was taken in 1990 due to the tower's lean?

• The tower was moved to a new location.

• The tower was painted.

• The tower was closed to the public.

• The tower was demolished.

Which method was NOT used to stabilize the Tower of Pisa?

• Attaching cables

• Adding counterweights

• Removing soil

• Building a new foundation

How much has the tilt of the Tower of Pisa been reduced since its reopening in 2001?

• 0.5 inches

• 1.5 inches

• 2.5 inches

• 3.5 inches