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Using case studies to support your answer, explain how similar hazards have different impacts.

First of all, it is important to acknowledge that there are two different types of hazard. The first, geophysical hazards, includes earthquakes and volcanoes. The second are hydro-meteorological hazards, whi...
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Answered by Rachael W. • Geography tutor
2528 Views

Given that A(sin θ + cos θ) + B(cos θ − sin θ) ≡ 4 sin θ, find the values of the constants A and B.

Since this must be true for all values of θ, and cos and sin are distinct functions, no non-zero multiple of cosθ could ever be equal to 4 sinθ for all values of θ. Therefore, the overall multiple of cosθ on...
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Answered by David B. • Maths tutor
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please conjugate the verb "fare" in the passato remoto tense

Io Feci tu Facesti egli Fecenoi Facemmovoi Facesteessi Fecero
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Answered by Alice P. • Italian tutor
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An industrial process converts the alkene ethene into ethanol, according to the following reaction: C2H4 + H2O --> CH3CH20H. What mass of ethanol can be made from 53g of ethane, given that the water is in excess. (2 marks) (6-7 grade)

This question is all about using the mols equation question (mols = mass/molecular weight). It's best to break it down into steps: 1) calculate the molecular masses of the compounds that are involved in the ...
CS
Answered by Charlie S. • Chemistry tutor
10275 Views

Why do metallic compounds conduct electricity ?

metallic compounds conduct electricity as they all share the property of having a 'sea of electrons' which means that they have free floating electrons surrounding the compound. This sea of electrons is due ...
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Answered by Naomi E. • Chemistry tutor
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