This is called a complete predicate
The verb itself is the main part and the main predicate, however, everything that follows forms the complete predicate together with the verb.
George Washington Carver was a world-famous chemist who made important agricultural discoveries and inventions. His research on peanuts, sweet potatoes, and other products helped poor southern farmers vary their crops and improve their diets.
Brainliest needed
My answer I think it is B
