possess sufficient attributes to form a primary key is called a weak entity set. One that does have a primary key is called a strong entity set. For example‚ The entity set transaction has attributes transaction-number‚ date and amount. Different transactions on different accounts could share the same number. These are not sufficient to form a primary key (uniquely identify a transaction). Thus transaction is a weak entity set. For a weak entity set to be meaningful‚ it must be part of a one-to-many
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Fourteen Points was a name given to the proposals of President Woodrow Wilson designed to establish the basis for a just and lasting peace following the victory of the Allies in World War 1. The 14 proposals were contained in Wilson’s address to a joint session of the US Congress on January 8‚ 1918. In summary‚ the 14 points were as follows : 1. abolition of secret diplomacy by open covenants 2. freedom of the seas in peace and war‚ except as the seas may be closed in whole or part by international
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possibility of a force field using the each of the different forces. She covers the four main forces: strong‚ weak‚ gravity and electromagnetism. Strong and weak forces cannot create a force field unless there are aliens or enemies with no electrons. The forces are for relatively very short distances‚ smaller than the protons and neutrons inside a nuclei. In other words‚ strong and weak forces are inefficient in creating a force field seen in science fiction movies. Next‚ she evaluated gravity
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addresses task‚ purpose‚ and audience (has a strong thesis statement that they prove) The student addresses task‚ purpose‚ and/or audience (Has a thesis statement that is debatable) The student weakly addresses task‚ purpose‚ and/or audience. (Has a weak thesis statement) The student fails to address task‚ purpose‚ or audience. (No thesis statement or no clear direction) 3 Evidence and Support The position in the response is richly supported with information from a source(s) material.The supporting
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Subatomic particles Main article: Subatomic particle Though the word atom originally denoted a particle that cannot be cut into smaller particles‚ in modern scientific usage the atom is composed of various subatomic particles. The constituent particles of an atom are the electron‚ the proton and the neutron. However‚ the hydrogen-1 atom has no neutrons and a positive hydrogen ion has no electrons. The electron is by far the least massive of these particles at 9.11×10−31 kg‚ with a negative
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Woodrow Wilson’s decision to give his Fourteens Points speech contributed to the end of World War I‚ was the basis for many peace treaties and paved the road for future nations and alliances. "Covenants of peace be quickly arrived at so that this war can end and future nations can begin." These are some of the words of Woodrow Wilson said when he delivered the powerful Fourteen Points speech at the joint session of Congress and many other important meetings including the Paris Peace Conference
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Benefits of Compromise People face many problems in situations of their life with the others and there are three ideas to fix those. First‚ they have to obey the other one because their opinion isn’t agreed or they have to obey without any comment or an idea to make their opinion to be right. The second statement usually happens when they face the people who are stronger. In that condition‚ they feel restrained or lose and usually don’t agree with that solution. Second‚ they win the opinion debate;
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the tipping point of the United states no longer considered being an isolated nation ? My personal opinion on that question is the cash and carry act of 1939‚ this act is what started the American people to really look at what was happening. The cash and carry act was Roosevelt’s idea and he was very supportive of the United States joining the war. Everything after this would lead the Americans to understand the need for a democratic government and the end of unfair views. At the point where the
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In Hajime Isayama’s Shingeki no Kyojin‚ Mikasa and Eren are both working as soldiers in the Survey Corps. They each have their reasons for joining the squad‚ and they each have unique strengths that aid them in battle. On the other hand‚ they also have their weaknesses. As members of the Survey Corps‚ It is important for them to minimize their flaws in order to contribute to the advancement of their team. When it comes to honor‚ Mikasa is more respected than Eren. Therefore‚ because Mikasa is more
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8. What is a dipole-dipole force? 9. What are hydrogen bonds? 10. a) Why is the melting and boiling point of H2O significantly higher than H2S? b) Predict and explain the relative melting and boiling points of HF‚ HCl‚ HBr and HI. 11. What are London or dispersion forces? How are they affected by molecular size? 12. Which is expected to have the higher boiling point‚ C8H18 or C22H46? Explain. 13. What type of solid contains particles held together primarily by van der Waals
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