D. A clearly defined territory, population, and sovereign government.
Desert streams has more flash floods than the ones in humid locations. In other words, desert streams only get their water from rain.
Answer:

Explanation:
Given

See attachment
Required
Find 
To do this, we make use of the following theorem
--- angle at the center and angle between two tangents add up to 180 (i.e. they are supplementary angles)
So, we have:

Collect like terms


Bristol is an international city and has a growing international reputation as a sustainable, innovative and culturally diverse place, winning national polls for being the UK's most liveable city, European awards for our green credentials and in China for our innovation.
Two ways in which the proximity to water has affected Western Europe's economy:
1) Proximity of water can lead to lack of food, which affects economy of the country in various ways.
2) It has wet cool summers and wet, mild winters, so for shelters and cloths, it affects economy by transportation, extra manufacture etc.
Hope this helps!