1. According to archaeological evidence, at least 5,000 years ago in Roman empire, on what cycles based their calendars? 2. What was influenced calendars? 4. When and where was built The earliest recorded weight-driven mechanical clock? 5. How we keep our time today?
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Товарищ, вы где-то 3 вопрос потеряли.
1. The Roman Empire based its calendars on solar and lunar cycles.
2. Calendars were influenced by astronomical events, such as the movements of the sun and moon.
4.. The earliest recorded weight-driven mechanical clock was built in the 14th century in Salisbury, England.
5. Today, we primarily keep time using atomic clocks, which are highly accurate devices based on the vibrations of atoms, particularly cesium or rubidium atoms. The International System of Units (SI) now defines the second based on atomic time.
Сделайте ответ лучшим, я старалась.
1. The Roman Empire based its calendars on solar and lunar cycles.
2. Calendars were influenced by astronomical events, such as the movements of the sun and moon.
4.. The earliest recorded weight-driven mechanical clock was built in the 14th century in Salisbury, England.
5. Today, we primarily keep time using atomic clocks, which are highly accurate devices based on the vibrations of atoms, particularly cesium or rubidium atoms. The International System of Units (SI) now defines the second based on atomic time.
Сделайте ответ лучшим, я старалась.