Answer: tectonic movements, shifts in the earth. volcano eruptions, fault movement in the crust, etc.
Earth's Second Atmosphere The second atmosphere, which was the first to stay with the planet, formed from volcanic outgassing and comet ices. This atmosphere had lots of water vapor, carbon dioxide, nitrogen, and methane but almost no oxygen.
Yes it is very possible for it to occur since it could be one of the deadliest and most affective earthquakes which can occur at any time every 100 years
Answer:
A regional or social variety of a language distinguished by pronunciation, grammar, or vocabulary, especially a variety of speech differing from the standard literary language or speech pattern of the culture in which it exists.
or
A variety of language that with other varieties constitutes a single language of which no single variety is standard.
Hope this helps :)