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Title: The source of a protostar's heat isA)gravitational energy released as the protostar ... Post by: staedtler on Mar 19, 2017 The source of a protostar's heat is
A) gravitational energy released as the protostar expands. B) nuclear reactions converting helium to carbon and oxygen in its core. C) gravitational energy released as the star contracts. D) nuclear reactions converting hydrogen into helium in its core. Title: Re: The source of a protostar's heat isA)gravitational energy released as the protostar ... Post by: papachulo on Mar 19, 2017 Content hidden
Title: Re: The source of a protostar's heat isA)gravitational energy released as the protostar ... Post by: staedtler on May 1, 2017 I really appreciate your help!
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