Leap Year second

What is the purpose of adding a leap second?

• To account for the time lost during daylight savings

• To prevent computer systems from crashing

• To make atomic clocks more accurate

• To adjust for the irregular rotation of the Earth

Why can't the addition of a leap second be programmed in advance?

• Because atomic clocks are not accurate

• Because the Earth's rotation is unpredictable

• Because it is added manually by scientists

• Because computer systems do not recognize leap seconds

What was one of the consequences of the last leap second added in 2012?

• It improved the accuracy of GPS systems

• It caused some high-profile websites to crash

• It synchronized all the clocks around the world

• It made the day longer by one hour

Since when have leap seconds been used as an adjustment?

• Since 2000

• Since 1972

• Since 1952

• Since 1982

What can happen in the last second of June, according to the text?

• All of the above

• A hummingbird can flap its wings over 200 times

• An estimated 2.4 million emails are sent

• A lightning can strike six times