The discovery represented an (advancement) for science and a (challenge) to conventional thinking.
Acompound subject
Bcompound verb
Ccompound direct object
Dcompound predicate nominativethe discovery represented an (advancement) for science and a (challenge) to conventional thinking.
Acompound subject
Bcompound verb
Ccompound direct object
Dcompound predicate nominative
Acompound subject
Bcompound verb
Ccompound direct object
Dcompound predicate nominativethe discovery represented an (advancement) for science and a (challenge) to conventional thinking.
Acompound subject
Bcompound verb
Ccompound direct object
Dcompound predicate nominative