Calculate the pressure at an ocean depth of 1480m. The acceleration of gravity is 9.8 m/s2 , atmospheric pressure is 1.01 � 105 Pa , and the density of the seawater is 1024 kg/m3.

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.