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What does protoplanet mean?

Answer and explanation

Correct answer: Early planetary body

A protoplanet is an early planetary body formed during the accretion stage of planetary development. In a young planetary system, dust and small solid particles collide and stick together under gravity. Over time, these growing bodies become large enough to be called protoplanets; further accretion and internal development can produce fully formed planets. Thus option C is correct. A protoplanet is not an ocean, because an ocean is a surface feature rather than a developing celestial body. It is not an old mountain, which is a landform on a planetary surface, and it is not atmospheric gas. The prefix “proto-” means first, early, or developing, which is a useful clue.

Related tags

GeographyProtoplanetPlanetary-FormationStar FormationFormation Of PlanetsAnd Our Solar SystemStar Formation Formation Of Planets And Our Solar SystemThe Origin And Evolution Of The EarthClass 11 Mcq

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