2. The coefficients represent to molar ratios in a balanced equation.
Answer:
Parent material is the geologic material from which soil horizons form. Many soils have more than one parent material, for example loess over till. ... Every soil horizon has a parent material, but the same parent material usually appears different in different horizons because soil formation processes have altered it.
Explanation:
I think it’s A I’m not 100% sure but I mean it’s worth a try
