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