1.
The ends of a bar magnet are called poles. It has a north pole and a
south pole. To magnet two things, the poles must be linked oppositely. North to
south and south to north.
When speed slows down you have kinetic energy.
Solution: C. Pangea
The hypothesis of Continental drift suggests that in past, there was only one landmass on the Earth -Pangaea which drifted apart due to movement of plate tectonics causing earthquake. This hypothesis is supported by many evidences which includes presence of similar fossils on different landmasses, common land features such as widespread presence of glacial sediments etc.
