Which characteristics of tsunamis are true?
choose all answers that are correct.
1. they cause the ocean to briefly drain away from the shore.
2. they can travel as fast as 500 miles per hour.
3. they occur a day or two after an earthquake.
4. they are measured by how far they travel.

What is the purpose of biofertilizers? a reduce pollution b. reduce insect threats c. reduce erosion d reduce herbicide use select the best answer from the choices provided 0 0 0 0

In keeping their culture unchanged what do canadians fear the most?

The quote below is an excerpt from the charter of the united nations: "the purposes of the united nations are: to maintain international peace and security, and to that end: to take effective collective measures for the prevention and removal of threats to the peace, and for the suppression of acts of aggression or other breaches of the peace, and to bring about by peaceful means, and in conformity with the principles of justice and international law, adjustment or settlement of international disputes or situations which might lead to a breach of the peace . " source:this section implies that the united nations is prepared to do what to keep world peace?