The answer is D. energy needed to break chemical bonds
1. Use special knee and elbow pads to prevent the child from joint bleeds. Ceramic tiles should also be carpeted.
If the child is very active, it is advisable for the child to wear a helmet to prevent head injuries.
2. Regular exercise: Exercises will help strengthen the muscles and decrease the chances of bleeding from injuries. A good exercise is swimming, because it helps exercise all the muscles without putting street on the joints.
3. Caring for teeth: It is advisable for the child to brush twice daily and floss regularly. This would reduce the chances of the child's gum to bleed.
Answer:
37oC - temperature
It is important that the temperature is controlled because it maintains consistency and safety.
Explanation:
-Temperature is a common type of controlled variable.
-A control variable is anything that is held constant or limited in a research study