Answer:
B
Explanation:
The point of the islamic spring was to get rid of the dictaors. Next, there has been huge economic decrease and an increase of terrorist violence.
Oil still plays an important role in the global economy despite the continued efforts to reduce its use and to find alternative green energy sources. In the early days, finding oil during a drill was considered somewhat of a nuisance as the intended treasures were normally water or salt. It wasn't until 1847 that the first commercial oil well was drilled in the Absheron Peninsula, Azerbaijan.1 The U.S. petroleum industry was born 12 years later, in 1859, with intentional drilling near Titusville, Pennsylvania. (Drilling in the United States began in the early 1800s, but they were drilling for brine so any oil discovery was accidental.)2
The correct answer is : D. Pleistocene epoch
The Pleistocene epoch lasted from about 2,500,000 years ago to 11,700 years ago. In this era, a lot of repeated glaciations happened on earth, since most of Earth's geographical surface is covered in Ice.
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If the earth had no oceans, then the tropical regions would be comparatively warmer.
The earth without the ocean would be super-hot at the equator and really cold at the poles. The warming at the equator increases the temperature and the warm air rises. Without oceans, there will not be any winds flowing which will cause moderation of temperature, due to which extreme temperatures will be experienced in places such as extreme cold in the frigid zone and extreme heat in the equatorial region. Though temperature at tropics would be comparatively lower than equatorial region, still it would be high for the person to live in such areas hospitably. Ocean currents act similar to a conveyor belt, which transports warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics.
Learn more about Tropical regions at:
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