What was the basis of the Aztec calendar system?

• Julian calendar

• Mayan calendar

• Roman calendar

• Gregorian calendar

Which civilization is known for creating artificial islands in lakes?

• Roman

• Aztec

• Greek

• Egyptian

Which calendar was introduced to replace the problematic Roman calendar?

• Aztec calendar

• Gregorian calendar

• Julian calendar

• Lunar calendar

What was a major flaw of the original Roman calendar?

• It was based on the lunar cycle

• It did not account for 61 days

• It started in January

• It had 12 months

What is the primary reason for adding a leap day every four years?

• To correct the calendar's alignment with the solar year

• To adjust for the Earth's rotation

• To align with the lunar cycle

• To celebrate a special holiday

What is a common issue faced by computers during leap years?

• Data loss

• Incorrect time zone adjustments

• Hardware failure

• Inability to process February 29th

Which calendar proposes a leap week every five or six years?

• Gregorian calendar

• Aztec calendar

• Julian calendar

• Hanky Henry Permanent Calendar

How does the Jewish calendar maintain alignment with the solar year?

• By adjusting the length of weeks

• By skipping certain months

• By adding leap months

• By adding leap days

What unique cultural tradition is associated with February 29th in Ireland?

• Celebrating a harvest festival

• Women proposing marriage

• Starting a new year

• Holding a grand feast

What legal consideration is often made for contracts spanning a leap year?

• Contracts are extended by a month

• Leap years are ignored

• Contracts are shortened by a day

• Contracts are extended by a day