Answer:
An astronaut is a person who is specially trained to travel into outer space.
Aspiring astronauts need to have a master's degree, usually in a STEM field. You must also complete two years of training and pass the notoriously hard NASA physical.
National Aeronautics and Space Administration
Cosmonaut Yuri Gagarin
<span>Assuming that this is referring to the same list of options that was posted before with this question, the best answer is the one having to do with the fact that it is "thorough" </span>
Answer:
The main reasons why everyone should is because it saves resources and helps to send less trash into landfills and cause pollution.
