Which of the following would be a valid hypothesis for a scientific
investigation about how transportation affects food security?
O
A. Buying foods that travel great distances results in more waste
than buying foods locally.
O
B. How does the distance a food travels affect its nutritional value?
O
C. Why do people shop at supermarkets more often than local
farmers markets?
O
D. More than half of my food comes from the local farmers market.