A seismograph is usually placed on the surface of the ground to feel any vibration. Question 12 options: True False.

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

The district of columbia could be eliminated completely if a majority of congress voted in favor of the action. a. true b. false

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