In addition to cardio-respiratory endurance, a0 endurance can be built up by participating in aerobic exercise.

Yes, endurance can be developed through practicing aerobic exercises. These exercises usually take between 30 minutes up to 2 hours maximum. This type of exercise inhibits the cardiorespiratory system to work at its maximum potential to meet the demands of the exercise. People who engage in regular aerobic exercise at least thrice a week are more likely to gain good benefits that the exercise is bringing to the cardiorespiratory system. Aerobic exercises include, running, brisk walking, or swimming. This could be done alternately and can be enjoyed by a specific individual with a fitness goal.

35 cubic feet of dirt if it's digging a burrow

Nothing will delay it, but drinking some lemon (squeeze 3) would cut it, making it last a few days, but its not good to do that. won't hurt you but the next month will be more cramps.. take some advils with you on the trip