. Elizabeth makes her exercises a little harder each time she does them. Which principle of fitness is she following? Overload Specificity Individuality Reversibility 3. What principle

overload

Explanation: She is using overload which mean that the targeted exercises will improve specific  fitness goals when the person work harder.

In order to improve, athletes must continually work harder as their bodies adjust to existing workouts. This plays a role in skill learning because the body will adapt to the workload placed upon it.

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.