Complex sentence: Baugh is a national television host, claiming to present science supporting creationism on the program "Creation in the 21st Century" on the Trinity Broadcasting Network, although his claims have been called into question by the scientific community and other creationists.
Split into simpler sentences: Baugh is a national television host, purporting to present science supporting creationism on the program "Creation in the 21st Century" on the Trinity Broadcasting Network. His claims have been called into question by the scientific community and other creationists.