What is the depth of an ocean area if a sound pulse took 4 seconds to travel from the ship, to the bottom then back to the ship, and the speed of sound in this ocean area is 5,000 ft per second? Use the formula below:

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics? he proposed that plates carry parts of the seafloor. he theorized that pieces of earth move for a limited time. he suggested that the asthenosphere is broken into segments. he observed seafloor cracks similar to existing cracks in the continents.

What does a movement along the demand curve show

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.