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