The equilibrium exchange rate is 0.70 euros per dollar. At this exchange rate, the quantity demanded equals the quantity supplied and is 1.3 trillion a day. If the exchange rate is now 0.60 euros per dollar, then
A) there is a shortage of dollars and the exchange rate rises.
B) there is a shortage of dollars and the exchange rate falls.
C) there is a surplus of dollars and the exchange rate rises.
D) there is a surplus of dollars and the exchange rate falls.
E) there is no change.
Question 2
As an economy grows,
A) its PPF does not shift; instead, the production point moves from inside the PPF to be closer to the PPF.
B) the opportunity cost of production will approach 0.
C) it can eliminate scarcity.
D) its PPF shifts outward.
E) the opportunity cost of production will increase.
THE RATE OF PHOTOSYNTHESIS
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