A person from the United Nations is going to talk to my class, what questions do I ask them ?

The areas with the highest population density in europe are most likely to be

As with any small island country, cuba has fewer natural resources than countries such as brazil. this affects their economy in that cuba a) exports only manufactured products. b) exports more products than it imports.. c) must import more products than it exports. d) has imposed trade barriers against the united states.

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?