Which one of the following is TRUE regarding tsunamis?
a. they travel as deep-water waves at speeds greater than surface seismic waves but slower than S waves
b. their wave heights decrease and wavelengths increase as they move into shallower water
c. they are started by fault-induced, horizontal shifts in the seafloor that suddenly propel great masses of water in opposite directions
d. they occur in the open ocean, wavelengths are many miles or kilometers and wave heights are only a few feet
They occur in the open ocean, wavelengths are many miles or kilometers and wave heights are only a few feet.
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A(n) ____________________ forms when two or more elements bond. Fill in the blank(s) with the appropriate word(s)
Radiometric dating was used to age the ocean floor which was found to be older than the land at the center of continents
Indicate whether the statement is true or false
Several warbler species are able to coexist in the same forest because ________
A) they feed in different parts of the fir and spruce trees B) the water they drink is the food source for the plankton they eat C) different birds eat different larvae from the soil D) season change within the forest causing certain species of the birds to fly south in the winter leaving more food for those that remain E) they feed on the same larvae
What two countries have the largest bilateral trade relationship in the world?
A) India and Japan B) Germany and Italy C) England and France D) South Korea and China E) U.S. and Canada