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