Answer:
health is wealth of the country so it is related with economic and political aspects of a country
The answer is letter C. She
measures the value of economic production and consumption, because Econometrics
is the application of mathematics and statistics to the study of economic and
financial data. It is involved in the study of problems, the analysis of data,
and the development and testing of theories and models.
B. Lactic acid build up creates pains and aches on the muscles
The second statement best explains the type of blood vessel and the function of these vessels' valves - <span>These are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
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Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
