What is the activities of icao?

what is the basic characteristic of Romania's economy? Whose signature does the one rupee note bear? What was a cause of the economic depression in the late 1800? How does taxation contribute to economic growth and development? What is the meaning of tuppence worth? What the difference between Creative destruction and Disruptive Innovation? How much money can you save recycling? What was the cause of the OPEC? How do poor trade links affect a country's development? Where can you find Robert Krugman fashions? How much is refined silver? How do you explain GNI per capita? Blue collar worker? What are the economic importance of urochordata? What economic factors would influence Southern plantation owners to choose to grow cotton on their land instead of growing any other crop? What are the five highly developed country and low developed country? When a country or a region of a country specializes in producing the product that has a lower opportunity cost compared to another country or region it is practicing? What is the agenda 21? What are effects of trading with other countries? Where does the purchase and supply of goods and services take place?

What is the activities of icao?