Which of these best matches a source of information with its most reliable use?

petrified fossils → date sedimentary rocks

petrified fossils → compare the evolution of completely soft-bodied organisms

cladogram → date events which occurred in Earth's past

cladogram → cause structural changes in organisms based on adaptations

Question

Which of these best matches a source of information with its most reliable use? 

 petrified fossils → date sedimentary rocks 

 petrified fossils → compare the evolution of completely soft-bodied organisms 

 cladogram → date events which occurred in Earth's past 

 cladogram → cause structural changes in organisms based on adaptations

anonymous · Answer

I don't know this one sorry: (

anonymous · Answer

its ok i am not the only one confused here afterall

stephstar101 · Answer

petrified fossils are used to date sedimentary rocks...probably what you want