Classify the following materls as a mineral, gem, ore, or none. some may have more then one answer. diamond

An enormous wave generated by an earthquake beneath the seafloor is known as a

How many time zone are there on earth

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