The prehistory and early history refer to the time period before written records began, typically ranging from the emergence of the first human ancestors around 2.5 million years ago to the development of writing systems around 5,000 years ago. This period includes the Stone Age, Bronze Age, and Iron Age, during which humans developed tools, agriculture, and complex societies. **

Early polyphony emerged in Western music during the medieval period, around the 9th century. It involved the simultaneous singing of two or more independent melodic lines. Initially, early polyphony was primarily found in sacred music, particularly in Gregorian chant. Over time, composers began to experiment with adding additional voices and creating more complex harmonies, leading to the development of intricate polyphonic compositions. This marked a significant shift from the monophonic music of the early Middle Ages and laid the foundation for the rich polyphonic textures of the Renaissance period. **

Prehistory refers to the period of time before written records were kept, while early history refers to the period of time after the development of writing systems. Prehistory encompasses the time when humans first appeared on Earth up until the invention of writing, while early history begins with the emergence of written records and the ability to document events and developments. Prehistory is studied through archaeological evidence, such as artifacts and fossils, while early history is studied through written records and historical documents. **

Cloelia was a legendary female figure from Roman early history who was known for her bravery and leadership. According to the legend, she was one of the hostages taken by the Etruscan king Lars Porsena during the early Roman Republic. Cloelia managed to escape with a group of young Roman women and swam across the Tiber River to safety, despite being closely watched by the Etruscans. Her courage and determination made her a symbol of Roman virtue and she was honored for her heroism. **

One early Christian symbol in early Christianity is the fish, known as the Ichthys. The fish was used as a secret symbol by early Christians to identify themselves to one another without drawing attention from Roman authorities. The Greek word for fish, "Ichthys," was used as an acronym for "Jesus Christ, Son of God, Savior." The fish symbolized the belief in Jesus as the Messiah and was often used in early Christian art and on tombs. **

The phrase "How early old?" could be interpreted as asking about the age at which someone starts to feel or appear old. This can vary greatly from person to person, as factors such as genetics, lifestyle, and overall health can all play a role in how early someone may start to feel or appear old. It's important to remember that age is just a number and that feeling "old" is subjective and can be influenced by many different factors. **

Starting early allows me to have a head start on the day and accomplish more tasks before any potential distractions or interruptions arise. It also gives me the opportunity to have some quiet time for myself, whether it's for exercise, meditation, or simply enjoying a peaceful morning. Additionally, I find that I am more productive and focused in the early hours, which sets a positive tone for the rest of the day. **

We say "early 20s" because the term "20s" refers to the decade of someone's life when they are in their twenties, typically between the ages of 20 and 29. The term "early" is used to specify the beginning part of that decade. In contrast, we do not say "early 10s" because the term "10s" does not refer to a specific decade of someone's life in the same way that "20s" does. **