Answer:
The correct option is <em><u>C. Foods that travel great distances cost less than foods bought locally.</u></em>
Explanation:
According to the scientific method of research, it gets initiated with a scientific question. To answer that question, a hypothesis is drawn. A hypothesis is a tentative statement based on which experiments are designed to check the authenticity of the hypothesis. Based on the observations and experiments, conclusions are drawn.
In the above-mentioned question, option C is a tentative statement that can be tested. Hence, it is the correct option.