Answer:
Observation
Explanation:
According to the quote, "It is the duty of an astronomer to compose the history of the celestial motions through careful and skillful observation"
An astronomer must first observe before he can do any other thing.
The statement (A) As the types of media increase, the information and opportunities for influencing politics increase. Increases in the sources of media as well as what is considered a legitimate opinion such as a popular blog or twitter account the opportunities for new medias to influence politics continue to grow.
What did the Tang Dynasty do that helped conserve the traditional values of Confucianism?
<span>It revived the civil service examination system of the Han.</span>
Answer:
Explanation:
The 20th century produced such a plenty of discoveries and advances that in some ways the face of medicine changed out of all recognition. In 1901 in the United Kingdom, for instance, the life expectancy at birth, a primary indicator of the effect of health care on mortality (but also reflecting the state of health education, housing, and nutrition), was 48 years for males and 51.6 years for females. After steady increases, by the 1980s the life expectancy had reached 71.4 years for males and 77.2 years for females. Other industrialized countries showed similar dramatic increases. By the 21st century the outlook had been so altered that, with the exception of oft-fatal diseases such as certain types of cancer, attention was focused on morbidity rather than mortality, and the emphasis changed from keeping people alive to keeping them fit.
