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.
I believe it’s called perculation
Most appropriate answer is D !As vessels dialates the velocity of the blood flow decreases !
So both C and D is appropriate! But I will suggest D !
