Question 1. What insect that has a reputation as being a "killer" has been migrating into the U.S. from South America since the 1950's?

Question 2. Along the Florida Coast of the U.S. a type of mammal known as a sea cow inhabits the shallow coastal water eco-system. The Florida species is actually a West Indian species belonging to the order Sirenia. What is another name for a sea cow?

Question 3. What is the name given to a dangerous series of waves that can be generated in a sea or an ocean by earthquakes, landslides, volcanic eruptions, or explosions? This type of violent wave has a Japanese name.
(Read this Reference carefully to find the answer.)

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