<span>The answer is: Strata</span>
It couldn't be analysed chemically because it's chemical composition is to complex. It would be hard for us to analyse them because once it has been removed from the organism, it ends as protoplasm only.
Soil research has shown that soil profiles are influenced by five separate, yet interacting, factors: parent material, climate, topography, organisms, and time. Soil scientists call these the factors of soil formation
The answer would be CODOMINANCE because codominance is when 2 genotypes show up at the same time on an object, where incomplete dominance is when 2 different genotypes combine and create a whole new phenotype