Unit 10-chapter 19 collapse  /kəl'æps/ Every society that collapsed thought it couldn't happen to th...

Unit 8-chapter 15 displace /dɪspl'es/ ...,thousands of displaced residents found themselves with no ...

Unit 7-chapter 13 criteria /krɑɪt'ɪriə/ Along with Earth, these planets meet the main criteria for s...

Unit 6-chapter 11 defrost /dɪfr'ɔst/ ...the cooks do a whole lot more than defrost Tater Tos and che...

Unit 5-chapter 10 drain /dr'en/. all the dark blue speed drained out of it Def: make of become empty...

Unit 4-chapter 7 remarkable /rɪm'ɑrkəbəl/ Scientists are just beginning to understand why these rema...

Unit 3-chapter 5 proceed /prəs'id/ The minute they sit down at the table, they proceed to scream. de...

Unit 2- chapter3 clamor /kl'æmɚ/ ..., he changes his clothes and rides the elevator back down to the...

Unit 1-chapter1 jingle /dʒ'ɪŋgəl/ In 1882,the American writer Mark Twain published a short story abl...

concept con-: with eg: confer, contend biology -ology: a particular science or subject eg: geology, ...