Question

what do all materials have in common? A. they all are naturally occurring and they are formed by inorganic pieces B. they do not naturally occur but they are formed by an inorganic process C. They are naturally formed and are formed by an organic process. D.they do not naturally occur but they are formed by an inorganic process

Answer 1

d is the correct answer?

Answer 2

Which materials?

Answer 3

I think the correct answer is a.

Ok. have a nice day 👍

Answer 4

I think it's A too because in the book I have it says its naturally occurring and they are formed by inorganic pieces/process