<em>Answer is B. The fossils in the lower layers are older than the fossils in the upper layers.</em>
Answer:
These findings led to the formation of the modern cell theory, which has three main additions: first, that DNA is passed between cells during cell division; second, that the cells of all organisms within a similar species are msotly the same, both structurally and chemically; and finally, that energy flow occurs within.
Scientific argumentation is a method and process used by scientists as guide to their research activities.This way, scientists ,together with their colleagues, get to set limitations and identify weaknesses in their researches. This also allows them to refine their work and improve certain areas in their results.
Renewable energy resources are all replaced in a short period of time. Everything else doesn’t work.
The class of macromolecule a steroid belongs to is a lipid.
