The most logical answer would be for lack of time. Cardio takes longer to burn more calories. You would have to walk an hour to burn 160-180 calories (for 130 pound person). An alternative would be HIIT which burns more calories in a short period of time.
Answer:
https://www.atg.world/view-article/70/importance-of-education
Explanation:
All of it. Because if you have a open wound and the other person does. You are sharing blood. The second one is through someone donating there blood. Needle stick injuries is if the person uses the same needle on different patients.
The answer is the third option.
A goal is something you consciously want to achieve and are willing to work for in order to get it.