Suppose a country has a crawling peg exchange rate policy against the u. s. dollar and the equilibrium exchange rate in units of foreign currency per u. s. dollar is above the target rate. complete the sentence. to keep the exchange rate pegged at its target level, the country's central bank must u. s. dollars and its foreign currency reserves.

sell, decrease

Explanation:

Adopting a pegged exchange rate or a fixed exchange rate which is a kind of exchange rate, a country fixes its currency's value  vis-a-vis either the value of another country's currency or another measure of value like gold. In this case, in order to keep the exchange rate pegged at the target level, selling US dollars and decreasing foreign currency reserves will be ideal since dollar often keeps on the appreciation.

answer: there were new carvings etched into the back of the sculpture and each shoulder was turned into a symbol of the birdman.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.