The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
Answer:
The temperature of something would be how hot or cold the object is
Beneficence is the practice of offering selfless help to others. Medical and health practitioners are called upon by ethicists to uphold a high degree of commitment to helping other, and refraining from causing harms to others as well as rescuing their patients if they are in dire need of their special skills in treatment and medicine. the practitioners are expected to adhere to acts that brings more benefit to people, their patient and society at large.
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Number 3, "has more people than ever before" is correct. As there are more people, there is a greater need more resources.
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