Explain how science can you make more informed decisions about what to eat. use an example that involves knowing about biochemistry.

Science can help you by providing information on what you should and should not eat in a healthy diet in order to remain healthy. A simple example can be showing how certain fats or sugars behave when inside your body and how they affect you negatively when combined with ongoing body processes, which in turn shows you that you shouldn't eat those things.

Resistance than a bicycle? i'm not entirely sure