To lose body fat, you need to create a (an) by the end of the day.
a. caloric deficit
b. intense exercise program
c. caloric surplus
d. caloric journal

The answer is letter D. 

You need to create a caloric journal in order to meet your goals of losing body fat. A caloric journal is a record of all the food that you have consumed for the day accumulated until your target date of attaining your fitness goal/s. This type of journal helps you keep track of the type of food you usually consume and if it does help with your goal losing that extra weight. Caloric journals may also include meals you've had in between your breakfasts, lunches, and dinners. This way you might see a pattern where you can improve yourself better in terms of caloric intake.

The physiological benefits of warming up and cooling down