The answer is B. Pennsylvania’s economy is dependent upon service industries. Agriculture also plays an important role.
These two sentences can be combined to create an effective compound sentence: Pennsylvania’s economy is dependent upon service industries, but agriculture also plays an important role.
1). 'C' The plural of radish is radishes.
2). 'B' The plural of ability is abilities.
3). 'A' The plural of crutch is crutches.
Answer is B i just had that question.