How did geologists determine that the west coast of california has a higher earthquake risk than other areas of the united states
a. by measuring the number of aftershocks
b. by looking at data from previous earthquakes
c. by measuring the height of tsunami waves
d. by analyzing the amount of liquefaction

Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.