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Code talkers.jpg Which American Indian tribe contributed to the war effort in the Pacific by using their language as a code the Japanese couldn’t break during World War II?

The pressure at the bottom of a glass filled with glycerin is P.  The glycerin is poured out and the glass is filled with water.  The pressure at the bottom of the glass is now.  

A solid iron sphere and a solid lead sphere are each suspended by strings and are submerged in a tank of water. If they have the same buoyant force, which of the following statements are valid?  (Choose all correct statements.)

A boy takes hold of the free end of a think rope that is wrapped around a solid cylinder.  The cylinder is several meters above the ground and its axis is oriented horizontally to the ground.  Assume the boy falls under the force of gravity and that there is no friction as the cylinder turns on its axis.  What happens to the angular acceleration of the cylinder as the boy falls? (take the mass of the rope into consideration)

A group of teens develop their own method of texting in a language that they feel is all their own. The change is subtle, but the meanings and the feelings associated with the text are known only to a select few. Which behavior are the teens exhibiting in this situation?

The national weather service warns of an impending ice storm that may have crippling effects on the community. Widespread electrical outages are predicted as well as freezing temperatures. The community health nurses are mobilized to establish emergency living quarters and clinics for those without heat. In which phase of this disaster are the nurses’ actions occurring?

Demographic transitions are defined by? (Select all that apply)

Which statement best describes the difference between evacuation and invacuation?

Response to a disaster is in its final phase. Although still in the recovery phase of the response, an evaluation meeting is arranged. Which purpose is the team attempting to fulfill by planning this evaluation meeting?

Which of the following best describes the potential impact of indirect exposure to a disaster on children?