Jewels, Gemstones, and Birthstones Consonant Digraphs 20 /th/ sound From the American Revolution to the Civil War Consonant Sounds 12.3 /r/ sound Jordan & Justine's Weekend Adventures Sharks and Other Sea Life Vowel Sounds Influenced by r 44b /u(r)/ sound Ginger and Galvin's Garden Long Vowel Sounds 34.2a /ō/ sound Nasir al-Mulk Mosque, Iran Major Religions of the World America in the 20th Century