Which of these statements is most likely correct about the Nebular theory of formation of solar system?

It is based on facts which are non-testable.

It is invalid because it is based on non-observable facts.

It cannot be replaced by modern theories in the future.

It was proposed after several scientific investigations proved it valid.

Question

Which of these statements is most likely correct about the Nebular theory of formation of solar system? 

 It is based on facts which are non-testable. 

 It is invalid because it is based on non-observable facts. 

 It cannot be replaced by modern theories in the future. 

 It was proposed after several scientific investigations proved it valid.

anonymous · Answer

@abb0t @dumbsearch2 @Shakiah

abb0t · Answer

I don't know, but why would you ask dumbsearch2? LOL

dumbsearch2 · Answer

LOL

anonymous · Answer

A scientist can pose appropriate scientific questions about dating rocks if he is 

 disciplined 

 biased 

 imaginative 

 patient

anonymous · Answer

@abb0t

anonymous · Answer

@physicsboffin

anonymous · Answer

i think (b)....to have an opinion u have to be biased

dumbsearch2 · Answer

Logically, I think your first question would be " It is based on facts which are non-testable. ".

anonymous · Answer

Which of these plate tectonic features occurs when Earth plates slide past one another? 

 transform boundaries 

 convergent boundaries 

 divergent boundaries 

 convection boundaries

ell · Answer

I believe the answer would be transform boundaries http://www.divediscover.whoi.edu/tectonics/tectonics-slide.html Hope this helped!! (: