The main responsibilities for all food businesses under the Act are:
to ensure you do not include anything in food, remove anything from food or treat food in any way which means it would be damaging to the health of people eating it
to ensure that the food you serve or sell is of the nature, substance or quality which consumers would expect
to ensure that the food is labelled, advertised and presented in a way that is not false or misleading
The guidance, which can be found at the link below, takes account of amendments to the Act in the General Food Regulations 2004 and the Food Safety Act 1990 (Amendment) Regulations 2004.
I'm pretty sure it is prevent injury. Stretching doesn't usually build strength or endurance.
The inverse is when you switch the X and Y. The answer is (-3,8)
Technically any of these. Are there any other details or specifics. I'd assume participating in sports because a diet only helps stress levels in the long term, watching television can relax a person but the other factors such as lack of social activity can contribute to a person's overall mental state and therefore increase stress levels, and studying can actually be relieving for some people depending on the mental state and needs of them but can obviously be a stresser. The only downfall to participating in sports is getting to excited or emotional during a game for example. But overall, C is the best choice.