Answer:
Option (C)
Explanation:
The outer core of the earth is liquid in nature, where they are comprised of dense molten rocks, which flows continuously due to the heat energy radiated from the extreme core of the earth, having a very high temperature. This flow of liquid rocks across the present magnetic field lines of force generates an electric current which subsequently produces the magnetic field. This process of producing magnetic fields is commonly termed as advection.
Thus, the correct answer is option (C).
Answer:
The atmosphere to various pools on the earth's surface
Explanation:
B, it takes 6 hours after the low tide for a high tide to appear.
Answer:
Green house effect and human activity.
Explanation:
-The green house effect: Some gases in the atmosphere trap the heat and doesn't allow it to scape making the Earth warmer.
-Human activity: The industrial activities have increased the carbon dioxic levels that have contributed to the higher temperatures. Also, deforestation, fluorinated gases and fertilisers containing nitrogen have contributed to climate change.
The Battle of the Atlantic took place throughout the northern region of the Atlantic Ocean. Once the United States entered the war the battle spread all the way to the coast the United States and the Caribbean Sea. The battle lasted over 5 years and 8 months from September 3, 1939 to May 8, 1945. The control of the Atlantic had a major impact on the outcome of the war. Keeping Britain supplied helped to keep the Germans from taking over all of Western Europe. The losses in the battle were staggering. Over 30,000 sailors were killed on each side. The Allies lost around 3,500 supply ships and 175 warships. The Germans lost 783 submarines.
Fun Facts:
Winston Churchill first called it the "Battle of the Atlantic" in 1941.
It was estimated that at least 20 supply ships needed to arrive each day in Britain in order for them to continue to fight the war.
The Allies lost 1,664 supply ships in 1942.
The Germans sometimes used a "wolf pack" tactic where a number of submarines would surround and attack a supply convoy at once.
Allied planes used a large spotlight called the Leigh Light to spot submarines that had surfaced at night.
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