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.
A reducing agent is an element or a compound that looses or donates electrons in a chemical reaction. The reducing agent undergoes oxidation (loss of electrons) in a chemical reaction. Bromine losses an electron and therefore it is the reducing agent while chlorine gains electrons and therefore it is an oxidizing agent.
A. is the correct answer bc a mutation changes the DNA.
Answer:
Disease can be density-dependent because organisms have to live close enough to one another for the disease to spread.
The answer to this question is C. It is the largest volcano in the solar system.