Which of these correctly lists the stages of development of the inner planets
Ainner planets ® protoplanets ® heavier elements ® planetesimals
Bprotoplanets ® planetesimals ® inner planets ® heavier elements
Cheavier elements ® planetesimals ® protoplanets ® inner planets
Dplanetesimals ® heavier elements ® inner planets ® protoplanets
Ainner planets ® protoplanets ® heavier elements ® planetesimals
Bprotoplanets ® planetesimals ® inner planets ® heavier elements
Cheavier elements ® planetesimals ® protoplanets ® inner planets
Dplanetesimals ® heavier elements ® inner planets ® protoplanets