here you have the answers of the work for unit 5
1-b, 2-c, 3-c, 4-a, 5-c, 6-c, 7-b, 8-b, 9-c, 10-a, 11-a, 12-c, 13-a, 14-c, 15-c
16. A calorie is the amount of energy needed to increase by one celsius degree the temperature of a gram of water
17. BMR: 1355,8
18. Sex, weihgt, height and age.
19. Because, depending on our age, we have different energy requirements.
Sorry for being so late.