A ship's boiler steam comes out at 112 C and pushes through the system, exiting into the condenser, which is kept at 20 C by circulating seawater. What is the ideal efficiency of the ship's boiler? Round to

the nearest thousandth.

O 0.643

O 0.523

O 0.703

O 0.239

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point