They could alternate days or each take a month. This method treats the two halves of a measure as alternate forms. This was a relatively new form of viral marketing similar to an alternate reality game. The alternate or opposite leaves are petiolate. States are given broad discretion in selecting alternate assessments. Additionally, it modifies certain words based on a system of suffixes and alternate meanings. Incorporates elements of both science fiction and alternate history. Subsequent books are built on imagining events based on this alternate timeline. The leaves are usually alternate and compound. In another method, the two projections rapidly alternate. The leaves are alternate and spirally arranged. The refractive index will typically alternate over a defined length. Spikelets are arranged in triplets which alternate along the rachis. They are the heroes of an alternate Earth. Many of these were Zods of alternate universes.