What characteristic do the early Roman calendar and the Islamic calendar share? They are both lunar calendars.
They are both solar calendars.
They both have animals that represent each year.
They both have the same number of months in a year.

They both have animals that represent each year.

Explanation:

The Roman calendar and the Islamic calendar are different from each other but share some similarities, that is they both have animals that represent each year.

Roman calendar is solar calendar while Islamic calendar is lunar calendar.  Islamic calendar have 12 months each year while Roman calendar have only 10 months each year.

Hence, the correct answer is "They both have animals that represent each year."

The early Roman calendar and the Islamic calendar are both lunar calendars.

Lunar calendars:

The Romans originally used a lunar calendar in their earlier years and the Muslim calendar is a lunar one.

In conclusion, the early Roman calendar and the Muslim calendar are both lunar calendars.

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explanation:

cultural achievements of the 1920's 2010  

1. cultural achievements and african american achievements in the 1920’s  

2. art and literature charles lindberg flew from ny to paris, france. became national hero; first transatlantic flight.  

3. greenwich village (new york) and the south side (chicago)  many artists, writers, and intellectuals flocked to these areas to share ideas  people lead bohemian, or artistic and unconventional, lifestyles