Atoaster can be considered to be a heat engine that does no work. heat flows through the toaster coils without being transformed into mechanical energy. what is the thermal effeciency of this example of a heat engine? a) 0.50 b) 1 c) 0 d) -1

Explain how plate tectonics have changed earth’s surface over time. include the role of plate tectonics in the creation of landforms.

(science)study the following ocean currents map. an ocean currents map is shown. on the map the locations for san diego, california and savannah, georgia are marked. there is a looping current from the north past san diego and a looping current from the south near savannah which statement is most likely correct about the average temperatures in san diego, california as compared to savannah, georgia? it is higher in savannah because of the cool ocean currents from the south. it is higher in savannah because of the warm ocean currents from the north. it is lower in san diego because of the warm ocean currents from the south. it is lower in san diego because of the cool ocean currents from the north.

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?