Answer:
Unfortunately, sandwiches are much riskier than we think they are. There is a microbiological risk in sandwich making that affects sandwich food safety. In reality, it is the ... Meaning more opportunity for cross-contamination.
Explanation:
D. remaining well -hydrated while exercising is best, when you perspire from exercise you have to replace fluids or you will de-hydrate which is not safe.
I’m pretty sure they included more than one independent variable.
I'd say it's to set up a clear goal.
