What is the speed of a car that travels 150 km in 3.00 hrs?

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

Which statements did both aristotle and ptolemy assume? check all that apply.

Elements that have one valence electron and are very reactive are called