Questions

Belarus is a European country whose capital city is Minsk.

Investment and asset are really close in meaning. Investment is when you put your money in stock, bond or other financial instruments. Whereas Asset is what you own generally reffered to land, proprietorship , factory, etc.

Cricket is the national game of Australia.

The National Association for the Advancement of Colored People (NAACP) is a civil rights organization in the United States, formed in 1909. 

 Du Bois, Moorfield Storey and Mary White Ovington and some more in the group helped to form NAACP.

Electronegativity, is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself.

Skimming is the removal of any material or particles that are floating on the surface. Hence, Removal of oil and grease from sewage - waste water is called as skimming.

Brazil is one example of a closed economy in the given options. 

A closed economy is one that has no trade activity with outside economies. A closed economy is self-sufficient, which means no imports come into the country and no exports leave the country. A closed economy's intent is to provide domestic consumers with everything they need from within the country's borders.