Which is the best definition of weathering? settling of Earth’s materials when water slows downb. swelling Earth’s materials as they soak up waterc. breaking up of rocks from wind, water, plants, or animalsd. transport of Earth’s materials by wind, water, or ice

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land