If the USA imported $1.8 trillion in 2016, but exported $1.2 trillion to other countries, what should be its balance of trade?

Fertility and mortality rates are higher in more developed nations.

Which region was the hearth for the largest number of agricultural animals such as pigs sheep and cows

The oil and gas found in the middle east are regulated by a. organization of petroleum exporting countries b. southwestern asian oil refineries c. north atlantic treaty organization