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