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Explain which barriers to entry an new airline might face when entering the international flight market

A new airline faces enormous startup costs, due to the required purchase or renting of planes, as well as the cost of fuel and landing slots at its chosen destination airports. The air travel industry has...

JD
Answered by Jamie D. Economics tutor
15919 Views

What is the relationship between environmental variables and the incidence of disease? How is this changing?

There are many conditions that demonstrate that the environment has a large impact on health. For example, cholera from polluted water supplies, increased cataracts from the sun, asthma from air pollution...

SL
Answered by Sarah L. Geography tutor
2831 Views

How does Mary Shelley create a 'frame narrative' in her 1818 novel 'Frankenstein'?

In Shelley's 'Frankenstein', it should be initially established that the opening narrative is in epistolary form: that is to say that written letters form the first few chapters to give the sailor Robert ...

JB
Answered by Jake B. English tutor
5300 Views

Describe the process of oxygen transport via haemoglobin.

Haemoglobin is a complex metal ion consisting of hexa-coordinated Fe2+ ions. With 6 coordinate bonds, haemoglobin forms an octahedral shape where 4 nitrogen ligands form a haem disc, a globin m...

Answered by Chemistry tutor
5352 Views

What is the difference of SN1 and an SN2 mechanism?

SN1= only 1 species involved in the rate determining step = carbocation intermediate = racemic mixture = not optically active SN2= 2 species involved in the rate determining step =transition state = singl...

HS
Answered by Hannah S. Chemistry tutor
10607 Views

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