May you please add what your choices are? it is a little hard to answer without any information.
Answer - C. About one half
Answer:
Chronic stress, or a constant stress experienced over a prolonged period of time, can contribute to long-term problems for heart and blood vessels. The consistent and ongoing increase in heart rate, and the elevated levels of stress hormones and of blood pressure, can take a toll on the body.
hope this helps! <3
D. It allows citizens of many European countries to freely travel across the continent.
