Complete the sentence. the earth is located in the milky way, which is a galaxy. a. spiralb. ovalc. ellipticald. irregular

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

9. the history of life on earth is recorded in