What is the external-internal pressure difference when the diver's lungs are at a depth of 6.1m (about 20ft)? assume that the diver is in fresh water. (a scuba diver breathing from compressed air tanks can operate at greater depths than can a snorkeler, since the pressure of the air inside the scuba diver's lungs increases to match the external pressure of the

What are the factors that affect the resistance of a wire?

The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a.is a south pole because the field hnes spread out from this end b.a north pole because the field lines spread out from this end c.a nouth pole because the field lines enter the magnet at this end d.is a north pole because the field lines enter the magnet at this end

How much hereditary information is contain in a human sex cell