Answer:
As SpaceX started winning more and more NASA contracts, NASA saved more and more of its limited budget. The second key innovation to the aerospace industry that SpaceX made was the programming of self-landing boosters. The Falcon 9 booster has the ability to land itself autonomously which allows for rapid reusability
Because it serves as protection for a vital organ in the body. Also if the skull could move it would make the brain very vulnerable.
Being open to the opinion of others
The civic virtue of diversity dictates that one is able to accept that humans are diverse and there is a variety of people, thoughts and mindsets in the world. In order to practice this virtue, one must be open to the opinion of others, since everyone has the right to have an opinion. This does not necessarily mean agreeing with the opinion of others, just accepting that they are entitled to their own.