Ans
In finance, an exchange rate is the rate at which one currency will be exchanged for another. It is also regarded as the value of one country's currency in relation to another currency.
Explanation:
It expands due to the fact the mercury reacts to heat in such a way that makes it rise up the tube.
Real business cycle theory best in this regard.
Explanation:
Among the other options, option first explains and put pressure on the role of technology in causing economic fluctuations. The new price or change in price affects the total cost of the product and so on the supply and demand. Because almost all firms use oil in one form or another, oil price changes function like technology changes.
The increase in aggregate cost decreases the productivity of the firms. The demand went down which affected the circulation of money in the market and leads to the recession.
Answer:
Correct answer is C. It would cause Hitler to divert troops from the Russian front, thus weakening their advances there.
Explanation:
Option C is the only correct answer as the Operation Barbarossa was under way and it was presenting a real threat for the Soviets, who fought under heavy casualties. The opening of new front made situation easier for them.
Option A is not correct as that could not happen without new fronts in Europe.
B is not correct as most of the army was attacking Soviet Union.
D is not correct as this could not happen without Operation Overlord.
