Igneous rock, same goes for when sedimentary rock as well.
They are made of the same material, a number of substances, common to all, which show a unit of composition.
Answer:
Explanation:
Pathogenicity: is a quality attributed to the microorganisms that can cause a disease. It can be defined as the capacity or the degree in which microorganisms can cause a certain sickness. Virulence is the degree of pathogenicity of the microorganisms.