Answer:
B. Food is a great tool for studying how people make decisions because each person has a favorite food.
Explanation:
Food is a great tool which assist scientists in studying how peopl make decisions because it has been proven that each individual has a favorite food. So this is a great time to study how every individual would react when presented with their favorite Food Unlike when they are given anyother regular food.
b, informative. It's giving us information about elon musk and his work
Start with eating a little less bad things for a few weeks and then expand to eat less bad things and less bad things as the weeks go on.