Answer:
Eutrophication
Explanation:
Eutrophication is the process where organic matter and nutrients build up in a body of water and increase plant growth.
I think its A. and C. I'm not 100% sure
Cells, the basic unit of life, are derived from spontaneous generation.
Deductive reasoning.
Deductive reasoning is a type of reasoning where a general fact is broken down into a more specific case to make an inference. This general fact can be a broad branch of knowledge then gets into its parts that may comprise this broad knowledge.