The earth poabaly formed by dust particles, rocks, and ice in space after the "Big Bang" .
Earth probably formed by accretion near the same orbit it is in now. Gravitational interaction from other bodies probably caused it to drift to its current orbit.
The oceans, probably. most def the oceans
The word you're probably thinking of is extinct
Volcanoes probably emerged when earth's crust was new about 4.4 billion years ago.
The singular possessive form of earth is earth's (the earth's atmosphere).
The possessive form for the common noun earth is earth's; for example, the earth's dryness. The possessive form for the proper noun Earth is Earth's; for example, the Earth's circumference.
Probably.
They are called limited because they take millions of years to form and most probably no-one has millions of years to live.
Probably nothing untoward. It certainly would be a spectacle to watch. How they came to form may not be such an pleasant sight, as something catastrophic would have to occur for them to form.
The noun form for the adverb 'probably' is 'probability'.
Probably from the earthquake that happened when the crater hit the earth. The lava rushes to the surface, melting the crater, and it forms a volcano.
The adjective form of "earth" is "earthen."