As a country's economic development increases what happens to its citizens’ health. a it improves. b it becomes worse. c finding clean water becomes more difficult increasing parasites. d individuals are more likely to die before the age of 50.

A. it improves.

Explanation:

Economic development can be defined as the improvement of quantitative indicators of the economy. Such as rising incomes, reducing unemployment or increasing consumption. In short, the economic levels of the country get better and the average income of citizens increases as a consequence of the economic growth of the country. As a result, citizens 'quality of life improves because they can afford better services, and the government can provide improvements in public service which also improves citizens' quality of life.

the aorta is the large artery leaving the heart branches into smaller arteries, which eventually branch into capillaries.the arteries carry oxygen and nutrients away from your heart, to your body's tissues. the capillaries are small, thin blood vessels that connect the arteries and the veins. the statement that arteries carry oxygen-rich blood to capillaries is true. veins on the other hand are blood vessels that take oxygen-poor blood back to the heart.