Abox is at rest on a table. what can you say about the forces acting on the box?

Which statement about covalent bonds is true

Why does gravity have a lesser than grater effect on higher altitudes?

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