A vast, flat,treeless arctic region of Europe,Asia,&& North America in which the subsoil is permanently frozen.
Hawaii first drew the attention of the United States because it was seen as a refueling station for naval vessels. The correct option among all the options that are given in the question is the fourth option or option "d". I hope that the answer has come to your great help.
Longitude is the angular distance of a place east or west of the Greenwich meridian, or west of the standard meridian of a celestial object, usually expressed in degrees and minutes.
The Polynesians developed the fine art of navigation by stars, inherited from the early arab navigators. Arabians used hand measures to measure the height of the star above the horizon to determine their latitude according to the angle determined.
B. An oceanic plate sinks beneath another oceanic plate at a convergent boundary
