What is the line of longitude used as the origin in a system of coordinates called?

An enormous wave generated by an earthquake beneath the seafloor is known as a

On this map of the united states the letter h indicates high pressure and the letter l indicates low pressure . select the black arrow that accurately shows the direction of the wind.

Which of the following best describes the circumstance under which countries block the importation of certain products into their country? a. importation blockade b.trade barrier c.trade inhibitor d. domestic protection act