No it is a heterogeneous mixture, I believe
No it is not homogenous
It's a homogenous.
It is a homogenous mixture
As a sedimentary rock, it is heterogeneous
homogenous mixture
depends if its homogenous or not
No, an element is not a mixture.
Homogenous
yes
Homogenous
Yes, it is a homogenous mixture.
It is not a homogeneous mixture.