pipe lines are used world wide
Explanation:
As early people began farming the Fertile Crescent, small villages began to form. With the further development of farming, many of these small communities began to grow into large, complex cities. Located in present day Iraq, the Fertile Crescent is a “half moon” shaped area that lies between two rivers.
I believe your answer is the year 2020
Answer:
Solar radiation has a lower intensity in polar regions because the angle at which solar rays hit the Earth is not as direct as at the Equator. Another effect is that sunlight has to go through more atmosphere to reach the ground.
Explanation:
The subtropical jet streams formate from cool and warm air masses that meet near the equator (close to the 30* Latitude).