What country first tried to build the panama canal?

How do most people in israel and its neighbors differ from political extremists such as terrorists

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change

On a production possibility curve, data points that fall outside of the curve represent what