Because diana didn't make the swim team this year, she wants to spend the year building her skills. wich of the following can best her prepare for a dtonger tryout for next year

You are travelling on a long non-stop flight from tahiti to tampa. you have been in the air for about 7 hours and have not moved, since you boarded the plane at tahiti. you need to use the rest room and on standing up feel dizzy. the best explanation for your dizziness