Complex sentence: Ham advocates Biblical literalism, believing that the Book of Genesis is historical fact and the universe is approximately 6,000 years old, even though scientific evidence shows the Earth is about 4.5 billion years old and the Universe about 13.8 billion years old.
Split into simpler sentences: Ham advocates Biblical literalism, believing that the Book of Genesis is historical fact. He insists that the universe is approximately 6,000 years old, even though scientific evidence shows the Earth is about 4.5 billion years old and the Universe about 13.8 billion years old.