Memory Unit 2 Selection2 VocabularyVersion en ligne For use with the NatGeo ESOL Text par Melanie McCrae the total rain , snow or sleet that falls in a period of time rainfall depend crops a model of the Earth something that people need and use. when you depend on something you need it; require alive plants that farmers grow globe something that is living things you need to make a produce or to do a project materials amount the total number of quantity resource