How does radiation treat cancer ?
a. it cools down the cancer cells and weakens them
b. it cools down the non-cancerous cells and strengthens them
c. it heats up the cancer cells and weakens them
d. it heats up the non-cancerous cells and strengthens them

When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves

Which is an example of an exothermic process?

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