Most rocks that we encounter in our normal everyday lives are sedimentary rocks. Sedimentary rocks are rocks that have been worn down gradually over long periods of time. Because it takes very long periods of time (couple decades) for these rocks to change, it often seems as if they don't change at all, when in reality the change is too small for us to realize it!
Answer:
It is heterogeneous as it is made up of visibly different substances or phases.
Answer:
The scientific laws have been well proven before they are published so it is difficult to prove mistakes
Explanation:
Answer:
Mercury has a density of 13.6g/mL
