I don’t really understand this question
George is running a 5-km race and his cells need more oxygen. The change that will help his body meet the increased demand for oxygen is his heart will start beating more quickly. This helps the oxygen get ferried throughout the system faster. The correct answer is A.
Type B. Type A is usually spread by contaminated food or water, or contact with an infected person.
That is called a skin Caliber
Answer:
My best guess would be (x-2)(x-4).