Answer:
Explosive and effusive eruption types resulting from the activity of magma composition, temperature, water content and volatile content.
Explanation:
Magma Silica content composition being above 60% will result in violent eruption. High temperature will result in low viscosity and low temperature in high viscosity. Explosive eruptions are propelled by magma and motivated by gaseous activity. Effusive is characterized with lava outflow without explosive activity. Examples of this effusive eruptions are those of the Hawaiian eruptions. Plinian eruptions are known to be explosive, violent and dangerous.
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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Geography is the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industry
Answer:
542.5 km
Explanation:
average thickness of granitic continental crust = 35 km
Average density of crust ( from section C1 ) (pc) = 3.3 g/cm^3
Average density of mantle (Pd) = 3.1 g/cm^3
applying the concept of Isostay
attached below is the missing part of the question and solution
Answer and Explanation:
South Africa is said to be the place rich in minerals. Regardless of its rich mineral resources and valuable minerals wealth, it is a land denied of sustenance. Destitution wins in this nation, People are denied from numerous different backgrounds. Some essential reasons are:-
- Lack of administration: The most genuine explanation behind such a condition. This prompts the working of a confused government.
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Corruption: African locals are a prey to broad debasement. This debilitates the organization and acknowledges preference.
- Tribalism: Africa is a place that is known for tribal. Individuals distinguish themselves as clans, which decreases their job opportunities
- Lack of skilled workers: The Government can't pay to talented laborers. Consequently they secure positions in Western Countries.
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Neocolonialism: It tends to be characterized as the continuation of the monetary model of expansionism after a colonized region has accomplished formal political freedom.
