<u>Answer:</u> D. Helmet.
<u>Reasoning:</u> You'll be more likely to survive and heal from shoulder, knee, and mouth damages. While head or brain damage is common and common for death.
The reason why ethics differs when we're talking about people, companies, nations is that all of these have interests which may differ. What happens then with differing interests is that it also lead to different moral and value systems which again in turn lead to different ethics. Most usually, the actual source why ethics differ is either due to the interests or wishes of a particular social group mentioned here.
Launching children means when your first child leaves home and ends with a "empty nest".................. Developing adult relationships with your children is a key of a stage.