Answer: sometimes
Explanation: it depends on the qualifications and validity of their statement. Does their opinion bring value to the conversation?
The correct answer is: Inventions.
Copyrights can apply to art, literature, and music. But when it comes to inventions, it is called "patent." If a product or invention was patented by an inventor, he owns all the rights including the manufacturing, production, and distribution.
14.D this is the best answer
As to number 13 I cannot answer because I don’t know anything about their interaction
Because the space shuttle is moving at a fast speed.
