In a thunderstorm, lightning strikes the ground 3 km away from you. The speed of sound on a terribly hot day is 0.388 km/s. How many seconds will elapse before you hear the sound? Round to the nearest tenth of a second.

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center

Draw metallic bonding if two copper

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?