Answer: The causes of ocean currents include wind, water temperature/salinity and natural disasters.
Explanation:
A current or circulation is the unified movement of water across the ocean. A Surface current affects the topmost layer of seawater and is defined by the direction of the wind while Deep Currents reach the sea floor though a combination of surface currents and landforms.
Water temperature and salinity cause currents by changing water density which in turn results in deep ocean currents circulating the seawater.
Other conditions that cause strong currents are storms and earthquakes which introduces particles into the seawater.
Much of the mineral and oil wealth of the northern territories are reserved for emergency.
Answer:
There are four layers of the Earth, including Inner Core, Outer Core, mantle, and Crust. Each layer has its characteristics because of its temperature and formation.
The inner core is solid with iron and other metal deposit in it. The outer core is liquid, while the mantle is composed of silicate rocks. The crust is the outer layer of the earth, consist of different types of rocks.
The earth was able to develop a layer structure because of the climatic change it had millions of years ago, where the hardest metal reached to its core.
The Gulf War was a conflict that involved Iraq, Kuwait, and 39 additional countries. The leader of Iraq, Saddam Hussein, invaded the small country of Kuwait and seized its oil fields. The president of the United States at the time, George H.W. Bush, led a coalition of 39 countries to stop Saddam Hussein and to help the citizens of Kuwait. The conflict in Afghanistan began in 2001 after the United States was attacked by a terrorist group. The United States believed that Afghanistan was harboring the terrorists responsible for the attacks, so it invaded the country and overthrew its government. The efforts to rebuild and stabilize the country are ongoing. The war in Iraq started in 2003. The conflict was between Iraq, the United States, and a few US allies. It was believed that Iraq was in possession of weapons of mass destruction and also linked to terrorist activities. The United States invaded Iraq and overthrew its government. The efforts to rebuild, stabilize, and create a democracy in Iraq are ongoing. Many internal conflicts, known as the Arab Spring, erupted in the Middle East starting in January of 2011. Citizens in countries such as Lebanon, Egypt, Syria, Tunisia, Libya, and Bahrain led protests against their governments. The people living in these countries are tired of living under dictators that do not allow them to participate in government and treat them unfairly.
Explanation:
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A largely semi-arid belt of barren, sandy and rock-strewn land, the Sahel marks the physical and cultural transition between the continent's more fertile tropical regions to the south and its desert in the north. ... The Sahel also suffers from ethno-religious tensions, political instability, poverty and natural disasters.
