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What was Germany's 'Weltpolitik' and how did it contribute to causing the First World War?

Germany as a nation-state was only conceived in 1871; beforehand, the region consisted of city-states and large provincial states such as Prussia or Bavaria. This meant that by the time of German unification...
JT
Answered by Jamie T. • History tutor
51740 Views

How do you use 就 and 才?

就 and 才 are used to show when an action is earlier/ smoother/ easier than expected, or when an action is later/ more difficult than expected (respectively). They are both adverbs, so come just before the ver...
HC
Answered by Harriet C. • Mandarin tutor
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Explain how chromatography is used to separate components in a mixture.

Chromatography separates components in a mixture according to their solubility in the mobile phase and their adsobance to the stationary phase. The mobile phase is the part of the chromatography set up that ...
IC
Answered by Immy C. • Chemistry tutor
22123 Views

Explain why the price elasticity of demand for two products may vary.

Price elasticity depends on several other components: Availability of substitutes The proportion of a consumer's disposable income which the products account for Whether the products are addictive (consumers...
TB
Answered by Thomas B. • Economics tutor
3216 Views

How do I integrate ln(x), using integration by parts?

This is a common question among A-Level Maths students, as integration by parts requires 2 things: 1. Something to integrate ; 2. Something to differentiate. In ln(x), we can immediately see that ln(x) is th...
MK
Answered by Mustafa K. • Maths tutor
4302 Views