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minnie7760
28.11.2019 •
English
Identify a central idea of the selection from “how we entered world war i.” fear of losing territory in the southwest to mexico was the major factor in the united states’ entry into the war. a fear that democracy and freedom would suffer a terminal blow with a german victory compelled president wilson to ask congress to declare war. damage to us international trade and economic interests was the principal reason the united states decided to go to war. pressure from a public eager for war forced the president to bring the united states into world war i.
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Ответ:
1. Most Submarines are created solely for military purposes
Submarines according to the text, are created primarily for warfare with their main weapons being torpedoes that are like mini self-propelled submarines carrying an explosive charge.
2. Submarines either rise or submerge by displacing water.
Submarines use the Archimedes principle which works by displacing water that weighs more than the boat to rise.
3. Some submarines are used for Oceanic Exploration
Some or at least 1 at that moment being the Argonaut was built for oceanic exploration and is equipped with diving appliances and equipment to enable it save wreckage.
4. All submarines must be sure not to descend too far underwater.
Every submarine has a limit in terms of the depth it can submerge to and it should not go beyond this point. Water bodies have their pressure in them as sink deeper and if the submarines go beyond the point where the submarine can no longer withstand the pressure it will be battered.