The best answer among the choices given is option B. The purpose of an experiment is to compare results with a hypothesis. A hypothesis is defined as a theory or idea that has not yet been proved. In order to turn this into a fact, scientific method should be done and the data obtained is analyzed whether it speaks the truth of the hypothesis.
Default network
When the brain is unoccupied, an fMRI indicates that blood continues to flow via a web of brain regions called the default network.
The default network is a web of brain regions that have activity that corresponds greatly with each other and different from other networks within the brain. The default network is active when an individual's attention is not concentrated on the external environment and it is measured with the functional magnetic resonance imaging technique (fMRI).
Hot spots, Divergent plate boundaries and Convergent plate boundaries