1-C. Another reason is that salt is fairly light and easy to carry for trading purposes.Another reason is that salt is fairly light and easy to carry for trading purposes.
2-C. Cycling is a fairly easy activity and people of all ages can learn to ride.Cycling is a fairly easy activity and people of all ages can learn to ride.
3-C. Although it is a fairly weak magnet, Texas is the nation's stickiest state.Although it is a fairly weak magnet, Texas is the nation's stickiest state.