The earliest evidence for life found so far is in a 3.8 billion-year-old rock, the Isua sediments, found in western Greenland. The evidence for life in these rocks does not come from fossilized remains, but from a peculiar chemical signature of living organisms. These rocks were deposited on the surface of an oceanic crust on what was thought to be a deep ocean. So the Isua sediments are actually an ancient sea-floor.
Multicellular means an organism or part consisting of many cells
Answer:
Theodore Roosevelt changed U.S. policy toward Latin America by making the Roosevelt corollary which is to the Monroe Doctrine. This addition warned that in case of "wrongdoing" by Latin American countries, the U.S. might exercise "international police power" this would mean more police helping out the communities.
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Answer:
- A language, such as Arameian, that is no longer spoken
Explanation:
The lost languages are languages that have gone extinct over time. These languages were spoken by a group of people in the past and existed for a particular period of time in a particular area.
Over time though, these languages have started to be replaced by other languages, some forcefully imposed, some because they were advantageous. That has gradually led to a decrease in the number of speakers of the language, and over time there was no one speaking it. That process has taken only several years in some cases, and several hundreds, or even a thousand of years.
Examples of such languages are the Arameian language from Mesopotamia, Tocharian language from northwestern China, Thracian from the eastern Balkans and many more.