The dietary guidelines for americans advise us to limit sodium in our diets. what is the purpose of the sodium in this energy gel?

Although the Dietary Guidelines for Americans advise people to limit sodium in their diets, many sportmen/women need to consume energy gels as supplement for optimal performance while training. Gels help the body to replenish the glycogen stores during endurance activities, since these are excellent sources of carbohydrates which maximize the muscle function recovery.  While a person is training, sodium -which is an important electrolyte that allows the water regulation in the body, is lost in sweat.  That's why, the purpose of the sodium in the energy gel is to reelectrolyte what is being lost while training by aiding hydration.

1. c- the tunnel project was worthwhile.

2. b- to inform about the value of the tunnel project

i think the best answer would be d allowing 30 seconds between response would give time for what was already said to sink down in your mind.