Law of Superposition
a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
The types of unconformities that can occur in rock layers are: ANGULAR, NONCONFORMITY and DISCONFORMITY.
The answer is C. species are the smallest taxonomic group. I also have taken this test before
<span>An emulsion refers to a liquid dispersed in another liquid with which it is not soluble. For example, oil mixed with vinegar is an example of an emulsion with which oil remains suspended as droplets in vinegar, in which it is not soluble. An emulsifier helps to stabilize emulsions and aid in the mixing of the substances.</span>