Mass of glass is more than the mass of wood. If volume of glass and wood is same then, a. Glass is denser than wood b. Wood is denser than glass c. Glass and wood are equally dense d. Density of glass cannot be calculated

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