A or B are both the best options in this case, but B is the best option overall because if he is interested in an activity, then he will have more motivation.
Answer: The circulatory system provides your brain with a constant supply of oxygen-rich blood while your brain regulates your heart rate and blood pressure. Even seemingly unrelated body systems are connected.
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The single most important ingredient in a good beer is high quality WATER. The correct option is D.
The quantity of water in beer is more than 90%. High quality water is the most important ingredient that is required in beer making process.
After water comes barley malt, hops and then yeast respectively.
Visual Perception is the Answer!