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When did the Cold War start?

Historians have disagreed on the start of the Cold War. For those historians like Arthur Schlesinger who emphasise ideological conflict between the two superpowers, the Cold War began in 1917 with the Bolshe...
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Answered by Louisa H. • History tutor
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Solve: 4x + 5 = 6x - 13

4x+5=6x-13. Take 4x from both sides 5= 6x-4x-13 5=2x-13. On the right hand side, you have -13 value. Add 13, to make 0. Adding thirteen on right also adds thirteen on left. 5 + 13 = 2x - 13 + 13 18=2x. 2 tim...
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Answered by Yacine H. • Maths tutor
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What is the difference between passive and active immunity?

Active immunity involves your bodies direct response to an unknown pathogen. This response is the production of antibodies specific to the antigen of a particular pathogen. This type of immunity is not immed...
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Answered by Emily P. • Biology tutor
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Define what 1 mole is

1 mole is just a unit of the amount of particles present in a substance. Here are several definition that all interlink: Mathematically speaking, 1 mole = mass of substance / Molecular Formula Mass. For it t...
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Answered by Yacine H. • Chemistry tutor
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How do you accentuate words in spanish?

Accentuation works by following a set of rules which varies according to which syllable is the strong one when you prounounce it. There are three types of classification. The first one is called "Esdrúj...
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Answered by Andrea D. • Spanish tutor
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