Answer:
B. 42; 48
Explanation:
sin x = cos (90-x)
eg sin 42 = cos(90-42) = cos 48
A) is not the answer because we use nearby resources as an important factor in the site and growth of cities.
B) is not the answer because we need to be able to go and trade with other cities, or countries.
C) is correct because people don't use the prevailing wind direction as an important factor in the site and growth of cities.
D) is not the answer because we need to be able to defend our city or country.
So the correct answer is C)
Hope I helped.
Increases. However, put this question is Physics next time
Some of the most typical characteristics of groundwater are weak turbidity, a constant temperature and chemical composition and almost overall absence of oxygen. Circulating groundwater can have extreme variation in the composition with the appearance of pollutants and various contaminants.
