Which of the following leads to new discoveriers and new therories

Why did the belgian parliament pass laws to decentralize its government? a. to increase trade with neighboring luxembourg b. to decrease the political power enjoyed by the flemish c. to enable belgium to join the european union d. to reduce tensions between belgium's two main ethnic groups

The standard deviation of a population is 3.2.what is the margin of error? enter your answer in the box.

Which country has the largest salt flats in the world