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Documents Seeing in 3D what makes the world seem solid?. we live in a 3D world but we only experience a single...

Slide 1 Seeing in 3D what makes the world seem solid? Slide 2 we live in a 3D world but we only experience a single point of it our eyes, ears and brains have a developed…

Documents Unit 23, Lesson 3

Unit 23, Lesson 3 Unit 23, Lesson 3 December 2, 2010 1. Introduction: Diphthongs /ou/ and /ow/ Examples Out, Cow The /ou/ is neither a long nor short vowel; it is a different…

Documents What What is is SOUND?SOUND? Sound is longitudinal pressure waves that travel through elastic media.

What is SOUND? Sound is longitudinal pressure waves that travel through elastic media. We can produce these vibrations by : Making a column of air vibrate, plucking a string,…