A molecule is when two or more atoms join together chemically. A compound is a molecule that contains at least two different elements.
They are both biotic factors because they affect living organisms. The abiotic factor a lion and deer needs is water because they need to stay hydrated but water is not living . Deers eat plants, plants are known as biotic factors too. And lions eat their prey which are living animals and once they are preyed upon they are still considered biotic because they were once living before getting consumed by the lion.
Answer:
Marine life decreases and the food chain will have e a drastic change as well