... 1,000,000,000 a/one hundred, thousand, million, billion c. 101 1,001 etc. a/one hundred and one, a/one thousand and one d. 201 2,001 etc. two hundred and one, two thousand and one 2. Ordinal Numbers ... dearly in terms of both money and health. Air pollution causes buildings and machines to deteriorate. Our poisioned air damages crops, livestock, roads. And metals and forces huge cleaning bills ... have complete or reduced adjective and adverb clauses. The following charts list the structure for reduced adjective and adverb clauses and rules for how and when reduced forms can be used....