Complex sentence: The genus Naja contains 20 to 22 species of cobras, and is the most widespread and recognized genus of cobras, ranging from Africa through the Middle East, India, and Southeast Asia to Indonesia.
Split into simpler sentences: The genus Naja contains 20 to 22 species of cobras and is the most widespread and recognized genus of cobras. Members of the genus range from Africa through the Middle East, India, and Southeast Asia to Indonesia.