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The two blocs of the Cold War

The Cold War (1947/1991) is known as the "ideological" war between the Western Block (lead by the USA) and the Eastern Block (lead by USSR). USA and its a...

Answered by Claire A. • History tutor

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What are positive and negative feedback loops?

Feedback loops are a series of events which are triggered by an initial change.
Positive feedback loops are feedback loops which amplify the initial change and lead to a repetition ...

Answered by Matthew F. • Geography tutor

43140 Views

How do you calculate the net social welfare loss due to a negative externality in production?

If there exists a negative externality in the production of a good or service (eg. coal power station emitting greenhouse gases) the Marginal Social Cost (MSC) to society of producing the good will exceed...

Answered by Scott N. • Economics tutor

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What are the factors affecting Cross-Price Elasticity?

First, it is important to understand the difference between own price elasticity and cross-price elasticity.Own price elasticity concerns about the responsiveness of the the quantity

Answered by Helen C. • Economics tutor

7460 Views

What is the difference between an animal cell and a plant cell?

It's easy to tell the difference between an animal cell and a plant cell when you look at it,because a plant cell has a rigid wall around it. This keeps the cell in the right shape. An animal cell looks a...

Answered by Elizabeth O. • Biology tutor

8234 Views