The three components of a scientific argument are Scientific Idea, Expectation and Observation. The Scientific idea generate expectation, expectations results to observation and the last is relevant to those expectations form what we call scientific argument.
Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
Explanation:
Your answer is D. Anther. The stamen is a part of the flower that is “in charge” of the production of pollen, but the anther is the part in the stamen that actually produces the pollen.