TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: Which unit is used to express the amount of energy in food? Answer: Calorie

SOLUTION: A calorie is used to express the amount of energy in food.

PROBLEM: Question: Which of the following provides the best evidence that Earth has evolved over geologic time? Answer: rock containing fossilized seashells found on a mountaintop

SOLUTION: Rock containing fossilized seashells found on a mountaintop of the following provides the best evidence that earth has evolved over geologic time.

PROBLEM: Question: Acids are associated with a low number on which scale? Answer: ph

SOLUTION:
Acids are associated with a low number on the ph scale.