Longitudinal and transverse waves
Chapter 29
Chapter 8.1
Chapter 9
400 Puzzles
Copyright © 2005 Pearson Education, Inc. Slide 2-1.
1. What is shown here? weather or climate ? analysis valid 18 UTC on 4 Oct 2005.
1. What is shown here? weather or climate ? 2. What has been the main source of the CO2 emissions shown in yellow below?
practice book on quicker maths
