Answer:
fragment
Explanation:
Here are two possibilities.
I stayed awake studying all night for the big test next week.
Studying all night for the big test next week was necessary if I wanted to have any hope of improving my grade in that class.
Sentence 1: Plants can produce their own food.
Sentence 2: Plants their own food,
Sentence 3: Their own plants produce food.
poor rural economies turned to potatoes for sustenance
Whom is my best answer!!! ;)