Where was the ancient maya civilization located?

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

As water is cooled from 4 c to 0 c its density

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